Top Massachusetts Opening Party Event Spaces
196 results near Massachusetts
Find a Venue
Choosing your opening party venue will be one of the most important steps in the planning process. So much goes into finding the perfect event space in Massachusetts. You’ll want to consider everything from the aesthetics of the space to any in-house amenities and services. Luckily, PartySlate makes it easy with our Find Venues page. Use the filters to narrow your search — taking into account everything from your guest count to specific catering preferences. Once you’ve set your filters, scroll down to search our curated list. Look for the “featured” tag for PartySlate’s top recommendations. With PartySlate, finding your ideal Massachusetts event space has never been easier.
Results

City Winery Boston
80 Beverly St, Boston, MA 02114, USA- Spaces for 32-800 Guests
- 1 Event Space
- 1 Restaurant
- 1 Winery
Host your next gathering in the heart of Urban Wine Country! City Winery is the ideal destination for your next private dining event, with a variety of event spaces, gourmet masterpieces, award-winning wine, amazing live music capabilities, and a prominent location in Boston. Our event spaces may be customized to meet the demands of each individual customer; whether you're planning an intimate seated dinner, an elegant wedding reception, a business outing, or a wine tasting, City Winery has the appropriate place for you. It is our goal to present each and every one of our guests with a once-in-a-lifetime experience. Enjoy unique access to City Winery's entire property, including the Barrel Room Restaurant & Wine Bar, Main Venue, Haymarket Lounge, and Gallery with a full venue buyout. Our largest individual area combines the rustic allure of wine country with modern comforts, such as a top-of-the-line Meyer sound system, Ketra lighting system, complete bar, and a full-size stage that can accommodate top musical acts and DJs. Your event staff will create a flexible floor plan that will exactly fit your needs. Exposed brick and a view into our active winery can be found in the Dining Room. The room includes a lovely, fully equipped bar as well as a rotating selection of housemade wines on tap. Our cozy Cellar Room, which looks out over our maturing oak barrels, is ideal for a private dinner group. The Art Gallery's bright, open space is ideal for cocktail events or as a lovely welcome station leading into the surrounding rooms. Our top-of-the-line Meyer sound system, Ketra lighting system, full private bar, and a stage to host musical acts and conference speakers are just a few of the modern facilities available in the Haymarket Lounge. Your event staff will create a flexible floor plan that will exactly fit your needs. The Tasting Area is a beautiful private dining room surrounded by oak wine barrels, perfect for social and corporate parties, wine tastings, and multi-course meals. Finally, The Greenway is an urban sanctuary conveniently located near Dewey Square, one of downtown Boston's most gorgeous areas. The wine garden is a welcoming and enjoyable place for everyone to congregate, play, and unwind. For semi-private events and celebrations, our gorgeous outside wine garden space can be leased.
Avg response time 12-24 hrs
The Westin Waltham Boston
70 3rd Ave, Waltham, MA 02451, USA- Spaces for 140-850 Guests
- 2 Event Spaces
- 3 Ballrooms
- 1 Meeting Space
Set along the Charles River in the Route 128 technology corridor, The Westin Waltham Boston offers a tranquil yet connected setting for meetings and events. The hotel features spacious guest rooms, wellness-focused amenities, and expansive ballrooms and meeting spaces designed for flexibility. With its convenient location near Cambridge and Boston, paired with scenic surroundings and refined service, the property provides an inviting backdrop for corporate gatherings, conferences, weddings, and social celebrations.

American Flatbread Worcester
85 Green St, Worcester, MA 01604, USA- Spaces for 40-100 Guests
- 1 Event Space
- 1 Restaurant
- 1 Venue with Activities
American Flatbread Worcester combines handcrafted cuisine and interactive entertainment in the heart of Worcester’s Canal District. The restaurant features a welcoming dining area, a lively bar, and nine candlepin bowling lanes, creating a distinctive destination for corporate outings, birthday parties, rehearsal dinners, fundraisers, and private celebrations. Event options include a private room accommodating up to 80 guests, complete with two bowling lanes, a dedicated bar, and audiovisual amenities. Larger gatherings can take advantage of flexible event arrangements and full venue buyouts. With wood-fired flatbreads, customizable dining packages, and attentive service, American Flatbread Worcester brings food, fun, and memorable experiences together under one roof.

Hyatt Regency Boston Harbor
101 Harborside Dr, Boston, MA 02128, USA- Spaces for 60-400 Guests
- 6 Event Spaces
- 1 Hotel
- 6 Total Spaces
Set against the shimmering waterfront, Hyatt Regency Boston Harbor delivers front-row views of the Boston skyline for truly unforgettable events. With sweeping panoramic views of downtown Boston and ever-changing waterfront scenery, the hotel delivers a setting that feels both elevated and effortlessly inviting. Designed with both style and versatility in mind, the property features light-filled indoor spaces, expansive outdoor venues, and a seamless flow between the two, perfect for everything from unforgettable weddings and milestone celebrations to polished corporate gatherings. Modern guest rooms, exceptional waterfront dining, and thoughtful amenities create a complete experience for hosts and guests alike. Just minutes from downtown yet tucked away in its own scenic enclave, Hyatt Regency Boston Harbor captures the energy of the city while offering a refreshing coastal escape, an ideal destination for events that are as memorable as the views
Avg response time 2-4 hrs
Convene One Boston Place
201 Washington St, Boston, MA 02111, USA- Spaces for 15-156 Guests
- 9 Event Spaces
- 1 Outdoor
- 10 Total Spaces
Convene One Boston Place is located in the tallest building in the Boston Financial District. A 15,000-square-foot venue, it offers a six unique meeting rooms - the largest of which can accommodate up to 172 guests - and a private outdoor terrace; it is ideal for board meetings, small conferences, and corporate receptions. The location provides a white box space allowing for client and event branding opportunities, in-house catering with customization options and dining private to each event, in-room A/V technology supported by an on-site team, and dedicated hospitality resources. Convene One Boston Place is accessible via public transportation, offers nearby paid parking, and is less than three miles from Boston Logan International Airport.

Ipswich Country Club
148 Country Club Way, Ipswich, MA 01938, USA- Spaces for 70-250 Guests
- 2 Event Spaces
- 1 Ballroom
- 2 Country Clubs
Nestled among the rolling fairways and natural beauty of the North Shore, Ipswich Country Club provides an exceptional setting for weddings, private celebrations, corporate gatherings, and golf outings. Featuring versatile event spaces, scenic views, chef-crafted cuisine, and personalized service, the club is known for creating seamless, memorable experiences for hosts and guests alike. From intimate occasions to large-scale events, every gathering is thoughtfully tailored and expertly executed.

The Envoy Hotel Boston
70 Sleeper St, Boston, MA 02210, USA- Spaces for 150-390 Guests
- 1 Event Space
- 1 Bar
- 1 space at this venue
The Envoy isn’t just for weary travelers looking for an eclectic escape. If you’ve got an upcoming event in your calendar that could benefit from a sophisticated space, we’d love to help you bring it to life at our exclusive event space in Boston. Para Maria and Lookout Rooftop are both located on-site at The Envoy, which is itself nestled within the heart of Boston’s Innovation District. Each offers a uniquely scenic, contemporary waterfront venue appropriate for hosting gatherings as intimate as 10 people, or as expansive as 275 guests. Flexible custom options range from quiet to complex, able to accommodate any occasion imaginable. Whether you envision a cozy cocktail reception, a seated multi-course dinner, or a corporate conclave, we’ll gladly work with you to make your vision a reality — to see to it that every detail from the food, to the décor, to the ambience, is spot-on. Experience Para Maria The perfect atmosphere for any gathering, Para Maria features a modern design in a lively setting. High and low top tables surround an expansive central bar, an ideal space for a cocktail party. Or, our private dining room offers the perfect space for an intimate sit-down dinner. The restaurant’s open-concept layout offers several spaces that can accommodate groups of 10-200 people. The Lookout Rooftop Bar The Envoy’s modern building, radiating light and glass is crowned by the Lookout Rooftop, a sleek rooftop bar in Boston. The panoramic views of the city skyline and Boston Harbor are unmatched in Boston’s Innovation District and on par with the best rooftop venues in Boston. We have some of the best views in Boston. The uniquely-shaped bar is complemented by intimate seating groups and glowing fire pits. The covered seating areas have built-in ceiling mounted heaters for cool evenings. The beverage-only bar features unique house-made craft cocktails, microbrews, and wine by the glass collections.
Avg response time 12-24 hrs
Oceanview of Nahant
0 Willow Rd, Nahant, MA 01908, USA- Spaces for 220 Guests
- 1 Event Space
Situated on 720 feet of coastal glory, the Oceanview of Nahant offers panoramic views of the Atlantic waters. Our private beach creates the ultimate backdrop for a spectacular life celebration. Where we cater to only one event at a time, you have our entire venue including outdoor terrace space, private bridal suite, cocktail lounge, grand ballroom and exclusive decks for just you, your family and friends. With our commitment to offering current trends and culinary tastes from the wedding industry along with one-of-a-kind experiences, we create a magical day for each of our couples that will touch your heart forever. There is only one Oceanview of Nahant...this is where you want to be!

Cruiseport Gloucester
6 Rowe Square, Gloucester, MA 01930, USA- Spaces for 250 Guests
- 1 Event Space
Greetings and welcome to the opulent and award-winning Cruiseport Gloucester! The Cruiseport Gloucester, which is located just north of Boston on the picturesque Cape Ann peninsula, gleams alongside the glistening Atlantic. As a small venue, we only host one wedding per day, but our dedicated team of professionals is ready to help you plan a wedding on the water that will be unforgettable. Sparkling chandeliers, floor-to-ceiling windows, breathtaking views of the water, and your wedding vows. In our beautiful indoor ceremony setting, you'll be able to walk toward forever along the waterfront. You and your wedding guests will be enchanted and amazed by our waterfront ballroom, which is 4,500 square feet of modern luxury. While you're having a good time, take advantage of the panoramic windows, sparkling crystal chandeliers, hardwood flooring, and cathedral vaulted ceilings. For smaller gatherings such as bridal and baby showers, post-event get-togethers, trade shows, corporate meetings, birthdays, graduations, life celebrations, confirmations, first communions, mitzvahs, quinceaneras, fundraisers, retirement parties, holiday parties, or any other theme party you can think of, we can accommodate you. Our professional Event Managers will assist you in planning an event that will be enjoyed by everyone in attendance. Bridal and baby showers, post-event gatherings, trade shows, corporate meetings, birthdays, graduations, confirmations, first communions, bar/bat mitzvahs, quinceaneras, fundraisers, retirement parties, holidays, and any other themed party you can think of are all possibilities. We welcome you to the Beauport Cruiselines, which is berthed at Cruiseport Gloucester and where you can dance, dine, and cruise the night away as you celebrate your love on board! Our cruiseship is equipped with dance floors, bars, a full catering menu, an open-air top deck, and can comfortably accommodate up to 300 people for your rehearsal dinner or wedding. Contact us for more information. Consider hosting a float celebration at this elegant and exciting venue. All of life's celebrations are catered to by Beauport Cruiselines, including weddings, receptions, showers, cocktail parties, and more! You are invited to celebrate your special day by sailing away in the beautiful Gloucester Harbor and Atlantic Ocean!
Avg response time 12-24 hrs
The Row Hotel at Assembly Row
360 Foley St, Somerville, MA 02145, USA- Spaces for 150-300 Guests
- 1 Hotel
- 1 Ballroom
The Row Hotel at Assembly Row welcomes you to Boston's outskirts with notable design, genuine warmth, and rigorous attention to detail. We're in Assembly Row, Somerville's urban-forward area – close enough to the city, but far enough away from the hustle and bustle. Our hotel near Boston is unlike any other, with a nostalgic yet forward-thinking ambiance. Our hotel, which is both citified and modern casual, provides a pleasant environment for old friends (and potentially making new ones). Organize a gathering in one of our stylishly designed spaces, each of which embodies the authentic yet refined ambiance that characterizes this unique area near Boston, MA. Gather for cocktails and nibbles on the outdoor terrace, plan a private dinner at Reflections, or commemorate your anniversary in the Assembly room. The options are limitless. Begin your happily ever after at The Row Hotel at Assembly Row, which is located in the heart of Boston's lively Assembly Row neighborhood. Our Boston wedding venues are artistically crafted and eminently versatile, setting the stage for celebrations that are as modern as they are romantic. Our Assembly room is ideal for banquets of up to 150 people, and our Ford venue is more suited to intimate gatherings and ceremonies. In addition, we have a lovely terrace and private dining in Reflections, our hotel restaurant. Trust our experienced event planners to handle every element of your big day, from venue selection to catering and custom wedding packages, so you can focus on creating lasting memories with your loved ones. We can’t wait to make your event a dream come true.
Avg response time 12-24 hrs
Wychmere Beach Club
23 Snow Inn Rd, Harwich Port, MA 02646, USA- Spaces for 170-300 Guests
- 2 Event Spaces
- 1 Outdoor
Wychmere Beach Club blends Cape Cod's classic Americana style together with nautical glamour. The natural beauty of our surroundings and picturesque setting conspire to create the ultimate backdrop for your occasion. Whether seaside sophistication or beachside glamour, we have a dedicated and talented team ready to help bring your vision to life.

Hyatt Regency Boston/Cambridge
575 Memorial Dr, Cambridge, MA 02139, USA- Spaces for 20-850 Guests
- 8 Event Spaces
- 4 Hotels
- 8 Total Spaces
With 479 guest rooms and an impressive 25,000 square feet of event space, Hyatt Regency Boston / Cambridge stands as the largest hotel in Cambridge, perfectly equipped to accommodate gatherings of any size. Our banquet facilities boast the essential features you desire for a successful conference, including breathtaking views of the Boston skyline and the Charles River, abundant natural light from expansive floor-to-ceiling windows, and options for outdoor meeting spaces. Your guests will appreciate our 24-hour fitness center, riverside restaurant, and complimentary shuttle service throughout Cambridge. Our award-winning venues create the perfect atmosphere for memorable events, supported by a dedicated team that consistently strives to exceed guest expectations. With innovative technology and seasonal culinary offerings, every meeting space can be tailored to your specific requirements. Weddings Choose to hold your ceremony in our private courtyard or the exquisite Riverside Pavilion, adorned with a draped ceiling and French doors. The Charles View Ballroom and Mount Auburn Ballroom feature floor-to-ceiling windows, providing a stunning backdrop for your special day.
Avg response time 2-4 hrs
Courtyard Boston Brookline
40 Webster St, Brookline, MA 02446, USA- Spaces for 20-50 Guests
- 1 Event Space
- 1 Hotel
Courtyard Boston Brookline offers event spaces for your next celebration in Brookline, Massachusetts.

The Nantucket Dreamland
17 S Water St, Nantucket, MA 02554, USA- Spaces for 175-315 Guests
- 1 Event Space
However, despite the fact that the Dreamland Theater's state-of-the-art facility was recently renovated, the theater has been a part of Nantucket's cultural history for more than 180 years. Located in the heart of downtown Nantucket, we invite you to create memories and celebrate your special event in a unique and historic setting that is sure to impress. The Dreamland features historic elements throughout the property, as well as panoramic views of Nantucket Harbor from our private terrace. Please complete and submit our Venue Request Form, and we will respond to you as soon as possible with pricing and availability information. The Harborview Room is the jewel in the crown of the Dreamland Theater's architectural crown. This setting is ideal for a variety of events such as weddings, social gatherings, birthday parties, meetings, workshops, lectures, and other gatherings. The Harborview Room, which has direct access to the commercial catering kitchen, has a stunning panoramic view of Nantucket Harbor from its own private terrace and has direct access to the commercial catering kitchen. We are confident that you and your guests will be impressed by this space. The historic elements of the old Quaker Meeting House, such as refurbished trusses, repurposed floor boards, and original windows that have been preserved and restored, are highlighted in the multi-functional Studio Theater. When you rent the Dreamland Theater event spaces, you will have access to a fully functional catering kitchen. Our Stadium Seating allows us to accommodate 314 guests in the Main Theater. The Theater is outfitted with a state-of-the-art Christie Digital Projector and Dolby 7.1 surround sound system, among other amenities. When the movie screen is recessed into the back wall of the stage, it provides an additional 400 square feet of stage area for performances.

UTEC Events Catering
35 Warren St, Lowell, MA 01852, USA- Spaces for 150-320 Guests
- 1 Event Space
UTEC occupies a landmark building in downtown Lowell, Massachusetts — a former Methodist church originally built in 1839 that earned distinction as the oldest LEED Platinum certified building in the world following a comprehensive 2012 renovation. Original architectural features, including a 30-foot cathedral ceiling and a restored domed chamber on the third floor, are paired with a fully updated event infrastructure. Four distinct rental spaces accommodate groups of 5 to 200, from the Main Hall's soaring ceilings and theater lighting to the intimate Board Room with views overlooking downtown. Each space includes full AV systems — projectors, microphones, surround sound, and wall-mounted monitors — and round banquet tables with chairs for up to 200 guests are provided in-house. In-house catering is available through See Beyond Catering, UTEC's culinary social enterprise; outside caterers are also welcome. As a nonprofit, UTEC directs event rental revenue toward programming and employment opportunities for young adults in the Merrimack Valley. The facility is fully wheelchair accessible via ramps and elevator.

The Tirrell Room
254 Quarry St, Quincy, MA 02169, USA- Spaces for 180 Guests
- 1 Event Space
Imagine getting married in a quiet setting surrounded by beautifully groomed gardens with breathtaking views of the Blue Hills as the backdrop to your special day. You will find the Tirrell Room here, where elegance and perfection are combined in a regal and romantic environment. Our whole focus is on providing each and every couple with the most amazing wedding experience possible. Starting with the moment you walk through the double French doors and into the foyer of The Tirrell Area, you will be greeted with our exquisitely designed reception room. Through floor-to-ceiling windows, take in the splendor of natural light and the breathtaking views of our exquisite, well-manicured landscape surrounded by the majesty of The Blue Hills. The Tirrell Room can comfortably accommodate up to 300 people. Additionally, you will have your own private bridal suite as well as a pleasant and relaxed photo room adjacent to the reception area as a welcome gift from the venue. We have a gorgeous white Gazebo right outside our reception room, nestled among our wonderfully planted grounds, which would be a wonderful location for your wedding ceremony. PACKAGES FOR WEDDINGS The Tirrell Room provides you with an optional complete and traditional wedding package that is designed to ease your wedding planning while still allowing you to make all of the options that are unique to your own style and preference. Our wedding package is pretty comprehensive... and reasonably priced. This saves you significant time because everything for the package will be ordered by your Wedding Coordinator here at the Tirrell Room on your behalf. Please take a look at some of the feedback from prior wedding parties. If you have any questions, please contact us.

Hotel 1620 Plymouth Harbor
180 Water St, Plymouth, MA 02360, USA- Spaces for 80-250 Guests
- 1 Event Space
- 2 Hotels
- 2 Total Spaces
Hotel 1620 Plymouth Harbor is a full-service waterfront hotel situated directly across from Plymouth Harbor at 180 Water Street in Plymouth, Massachusetts — known as "America's Hometown." The property offers more than 15,000 square feet of flexible event space across 15 function rooms, making it well-suited for weddings, corporate functions, and private celebrations of varying sizes. The Regency Ballroom is the hotel's largest event space, accommodating up to 250 guests for grand receptions and celebrations. The Atlantic Room provides a more intimate setting with floor-to-ceiling windows for gatherings of up to 80 guests for dinner and dancing. An outdoor ceremony location overlooking Plymouth Harbor completes the venue's wedding offerings. Hotel 1620 provides custom catering, in-house audiovisual equipment, complimentary wireless internet, and a dedicated banquet manager to support planning and execution from rehearsal dinners through post-wedding brunches.

Raffael’s at South Shore Country Club
274 South St, Hingham, MA 02043, USA- Spaces for 250 Guests
- 1 Event Space
a little bit about our weddings In order to assist you in planning and hosting the most spectacular day of your life, Raffael's Hingham has made the following commitment: Everything will be meticulously planned by our team of experienced wedding pros, and we will be there with you every step of the way, from the cuisine selection to the ceremony and reception preparations. We have three event locations available to help you make your dream a reality: the Pavilion Tent, the Lincoln Ballroom, and the Hingham Ballroom. Please contact us for more information. In addition to providing a gorgeous outside alternative for your ceremony and cocktail hour, our Pavilion Tent also provides a fresh airy vibe with a view of the 18th Hole at South Shore Country Club. The grounds are expertly maintained, creating a gorgeous scene that stretches as far as the eye can reach in every direction. Each of our ballrooms is furnished with floor-to-ceiling windows that provide a panoramic view of the golf course's beautiful, undulating hills. A beautiful and private setting for parties of 60 to 125 people, our Lincoln Ballroom is perfect for any occasion. For events of 80 to 200 guests, the Hingham Ballroom has a vaulted ceiling with dormer windows, a soaring bamboo dance floor, an illuminated holographic fireplace, and a raised reception space, creating a really unique environment. Additionally, in addition to our three event venues, couples can take breathtaking pictures and group shots on the grounds, which serves as the perfect backdrop for lovely and cherished memories to be made. a little about us Situated on the grounds of the historic South Shore Country Club, Raffael's Hingham is a stylish wedding and banquet venue situated among the rolling hills of Hingham. Raffael's has been actively involved in the community for the past 30 years and has established itself as a household name. We are known for our innovative, elevated culinary viewpoint, expert waiters and event planners, meticulous attention to detail, quality and professionalism, and so much more - we strive to exceed the expectations of everyone who walks through our doors, and we are committed to doing so. The knowledge, passion, and space available at Raffael's will enable you to bring your idea to reality, whether it is for a baby shower, bar mitzvah, or grandiose wedding.

The Ipswich Inn
2 East St, Ipswich, MA 01938, USA- Spaces for 50 Guests
- 1 Event Space
THANK YOU FOR VISITING THE IPSWICH BED AND BREAKFAST. Ray and Margaret Morley cordially invite you to spend the night with us at the Robert Jordan House, built in 1863 in the heart of Ipswich's magnificent historic district. Our property is a late nineteenth-century Victorian mansion located just a few blocks from the heart of Ipswich. Guests can stay in one of our eight guest rooms, each of which has a private bath, an HD flat screen TV with Fios 200 channels, air conditioning, and internet access throughout the property. You will receive a full breakfast from our broad selection as part of your accommodation charge. Come in for a visit and experience for yourself why we are considered one of the best inns on the North Shore. It is located in the heart of Ipswich, Massachusetts, and is a Bed & Breakfast wedding venue that hosts modest wedding ceremonies, showers, and rehearsal dinners for groups ranging from 25 to 50 people. This charming seaside town is the perfect setting for memorable celebrations away from the hustle and bustle of the major city. It is possible to host your ceremony and reception at this location in a number of event facilities. The Ipswich Inn offers a variety of indoor and outdoor event areas for you to use throughout your entire wedding reception and afterwards. It is possible to exchange vows on the site's spacious grounds during the summer months if you and your partner choose to do so. You and your partner can exchange vows in private in front of your guests, surrounded by beautiful botanical blossoms and towering trees. Following that, guests can enjoy memorable cocktail hours in these outside spaces as well as on the inn's veranda. Here, you may socialize with friends while sipping on beverages and admiring the sunset as it moves across the sky. The reception area of this venue, which is flooded with natural light, is the perfect setting for a night of dancing and laughter. It is possible to arrange this enormous space in a variety of configurations to incorporate a seating area, a dance floor, and live entertainment. Accommodations and suites are available at this bed & breakfast for you and your entourage to use before the big day arrives, among other amenities. The guest rooms at this establishment are all air-conditioned, feature comfortable crisp sheets and bedding, have en-suite bathrooms, have wireless internet access, and include a full prepared breakfast every morning. The Innkeepers, Ray and Margaret Morley, are quite proud of their establishment. This compassionate duo can assist you throughout the entire preparation process to ensure that you have the amazing wedding day that you want and deserve. If you require, they can connect you with a reputable caterer who will serve your wedding reception. Alternatively, you may choose to collaborate with third-party businesses to bring your visions to life.

Canoe Club Ballroom
2 South St, West Bridgewater, MA 02379, USA- Spaces for 200-300 Guests
- 1 Event Space
Nestled along the banks of the Nunckatessett River in West Bridgewater, Massachusetts, the Nunckatessett Canoe Club was originally built in 1904 as a storage facility for 63 canoes. It offered members a place to keep their canoes while enjoying the scenic beauty of the river and the camaraderie of fellow enthusiasts. In 1915, the club relocated and expanded, adding a second story to accommodate more canoes and a spacious assembly hall for dancing. Unfortunately, just two years later, the new building was destroyed by a fire. Despite this setback, the Nunckatessett Canoe Club became a popular venue for large social gatherings and dances over the following decades. It hosted legendary performers like Glenn Miller, Tommy Dorsey, Frank Sinatra, and Rosemary Clooney, making it a cherished spot for music and celebration.
Avg response time 12-24 hrs