Black Chair Seat Cushions

Power through long workdays in comfort with this black cushion. The memory foam construction conforms to your body to provide plush support, and the flexible design works as both a back and seat cushion for added flexibility. This ComfortMakers Deluxe cushion is easy to set up and remove, providing a smart solution for shared workspaces..Cushion reduces back strain and helps eliminate fatigue caused by improper seating posture.Dimensions: 17.5"H x 17"W x 2.75"D.Designed with visco-elastic polyurethane memory foam to conform to the body's natural curves and provide maximum support while a black flame retardant, washable fabric cover.Unique patented system of self-adjustable foam inserts can be arranged and rearranged to fit all body shapes and sizes, providing personalized comfort and support.Hook-and-loop strips hold cushions in place on a fabric-covered seating, an adjustable strap is provided for a smooth surface seating.Forward tilt of the seat cushion helps relieve stress from the lower spine and pelvic region.Use as a back cushion to provide proper seat depth.Ideal for use in the office, home, car, airplane, or anywhere.Made in the USA.Lifetime manufacturer limited warranty.This product is manufactured by a certified WBE (women owned business).This product is manufactured by a certified SBE (small business enterprise).Customize your office chair for better support with this ComfortMakers Deluxe black polyurethane memory foam seat/back cushion.

Experience unparalleled comfort with this memory foam seat cushion, designed to provide relief from aches and pains caused by prolonged sitting. Whether you're working, gaming, or relaxing, this cushion promotes proper posture and redistributes weight to reduce pressure on your hips, coccyx, and lower back. Its unique rear cut-out design and ergonomic contours ensure optimal spinal alignment and comfort. Made with high-quality memory foam, the cushion molds to your body’s shape, offering personalized support that adapts to your needs. When not in use, the foam returns to its original form for lasting durability. The cushion includes a removable, machine-washable cover for easy cleaning, plus a built-in handle for portability and a non-slip rubber bottom to keep it securely in place. Ideal for anyone looking to enhance their sitting experience with long-lasting comfort and support..Air-Cloud Cushioning: Scientifically engineered to cradle your thighs and hips, this contoured cushion ensures all-day comfort, whether you're at your desk, driving, or using a wheelchair. Ideal for extended sitting sessions, it helps reduce discomfort and fatigue.Promotes Better Posture: The cushion’s ergonomic design supports proper posture by aligning your spine and redistributing body weight. This helps relieve strain from common orthopedic issues and enhances overall comfort.Alleviates Pressure & Reduces Pain: Crafted from extra-dense memory foam, the cushion molds to your unique body shape, relieving pressure on key areas like your lower back, coccyx, and hips, and reducing discomfort from sciatica, herniated discs, and tailbone pain.Effortless Maintenance: Featuring a removable, machine-washable zippered cover, this cushion is easy to clean. A built-in handle makes it simple to carry, while the non-slip rubber bottom ensures it stays securely in place.Product Dimensions: 18" L x 13.5" W x 2.75" H (45.72 x 34.29 x 7 cm) – a compact size that fits most seating arrangements perfectly.Air-Cloud Memory Foam Seat Cushion – Ultimate Support for All-Day Comfort

Enjoy exceptional comfort and support with this premium memory foam seat cushion, expertly crafted to alleviate discomfort from extended sitting. Perfect for work, gaming, or leisure, this cushion encourages proper posture and evenly distributes weight to minimize strain on your hips, tailbone, and lower back. Designed with high-quality memory foam, it adapts to your body for customized support and returns to its original shape after use for long-lasting durability. Features include a removable, machine-washable cover for hassle-free cleaning, a built-in carrying handle for portability, and non-slip rubber grips to keep it securely in place. The breathable mesh fabric cover ensures optimal ventilation, keeping you cool and comfortable. A versatile solution for enhancing comfort in any setting—use it at your desk, dining table, in vehicles, on planes or trains, at sports events, in theaters, or even for postpartum and pregnancy support. This cushion is your all-in-one answer to better sitting, wherever life takes you..All-Day Air-Cloud Comfort: Scientifically designed to cradle your thighs and hips, this cushion ensures maximum comfort whether you're working at a desk, driving, or using a wheelchair. Ideal for long sitting sessions, it helps combat discomfort and fatigue.Posture Perfect Design: The ergonomic cushion supports spinal alignment and redistributes body weight to promote better posture, reducing strain from common orthopedic issues and improving overall sitting comfort.Pressure Relief & Pain Reduction: Made from dense memory foam, the cushion molds to your body to relieve pressure on your lower back, tailbone, and hips, providing targeted relief from sciatica, herniated discs, and tailbone pain.Easy Care & Practical Features: Includes a removable, machine-washable cover for effortless cleaning, a built-in carrying handle for portability, and non-slip rubber grips for stability. The breathable mesh cover enhances airflow, keeping you cool and comfortable.Dimensions: Measuring 18"L x 17.5"W x 3"H (45.72 x 44.45 x 7.62 cm) and weighing just 2.14 lbs (0.97 kg), this cushion is easy to carry and fits seamlessly into various environments.Upgrade Your Sitting Experience with an Air-Cloud Memory Foam Cushion

HealthSmart Deluxe swivel seat measuring 15" in diameter and 1 3/8" thick is greatly used at home or office and is rendered with comfortable foam padded cushion. Cushion in black velour color has non-skid base made of durable plastic..360 DEGREE SWIVEL SEAT CUSHION converts any stationary chair into a swiveling chair. Swivel Seat Base helps relieve back, knee, or hip strain caused by twisting and turning when getting in and out of any seat..CHAIR ASSIST FOR THE ELDERLY designed with high grade foam holds that it's shape and feels soft and comfortable, helping to reduce pressure on the back and tailbone. Non-skid, flexible swivel base contours to seat and stays in place..SWIVEL SEAT CUSHION featured increased height in 12.5 and 15 inches assists in road view, scooters, or small chairs. Great for cars, chairs, offices, home, and more..PRODUCT SPECS: Swivel Seat Cushion is compact in size measuring 15 X 1-3/8 Inches. Removable cover is machine washable. Weight Capacity is 300lbs.

Upgrade your sitting experience with the Mind Reader Memory Foam Seat Cushion, designed with Air-Cloud Technology for enhanced pressure relief and posture support. Whether used in the office, car, or at home, this cushion helps reduce strain on your hips, coccyx, and lower back while promoting spinal alignment. A breathable mesh cover helps regulate temperature, while high-density memory foam contours to your body and retains shape over time. The non-slip base ensures the cushion stays in place, and the built-in handle makes it easy to take anywhere. This cushion is ideal for sciatica sufferers, frequent travelers, or anyone looking to improve sitting comfort..Air-Cloud Cushioning: High-density memory foam supports hips and tailbone for lasting comfort in office car or wheelchair.Posture-Boosting Design: Contoured shape with cut-out encourages spinal alignment and reduces pressure on lower back.Pain Relief Support: Alleviates discomfort from sciatica tailbone hip pain or herniated discs with even weight distribution.Easy to Clean and Carry: Mesh cover is removable and machine washable built-in handle and non-slip base offer convenience.Supportive and Compact Size: Measures 18"L x 13.5"W x 2.75"H fits most chairs car seats and wheelchairs.Ergonomic Relief with Air-Cloud Memory Foam Cushion

Experience all-day comfort and targeted support with the Mind Reader Air-Cloud Memory Foam Seat Cushion. Scientifically engineered with ergonomic contours and a cut-out design, this cushion helps redistribute weight, promote healthy posture, and reduce pressure on the hips, coccyx, and lower back. Crafted from high-density memory foam, it molds to your body’s shape for personalized comfort and quickly rebounds to its original form after use. Ideal for use at desks, in vehicles, on wheelchairs, and more, the Mind Reader cushion features a breathable, machine-washable cover and non-slip rubber grips to keep it securely in place. Enjoy lasting relief and better posture whether you're working, driving, or relaxing at home..Air-Cloud Cushioning: Contoured to cradle your thighs and hips for exceptional comfort during long sitting sessions at desks, in cars, or on wheelchairs.Promotes Better Posture: Ergonomic design supports spinal alignment and evenly redistributes body weight to reduce strain and enhance sitting comfort.Alleviates Pressure & Reduces Pain: High-density memory foam relieves pressure on the lower back, tailbone, and hips—ideal for sciatica, herniated discs, and coccyx pain.Effortless Maintenance: Features a removable, machine-washable breathable mesh cover and non-slip rubber grips to keep the cushion securely in place.Compact and Portable Size: Measures 18"L x 16.75"W x 4"H (45.72 x 42.55 x 10.16 cm), making it easy to use across offices, vehicles, wheelchairs, and at home.Comfort That Supports Every Sit

If you need some help getting up from low or too-soft chairs or would like more comfort and support in your wheelchair, this cushion can help. It also makes a great car cushion for drivers who need additional height in their cars to see over the dash. The DMI Deluxe Seat Lift is constructed of firm 4" foam that provides comfort while a hardboard insert provides extra support. This is why it makes an excellent wheelchair cushion. It eliminates the hammock effect found with wheelchair sling seats. The cushion is ideal for travel, office or home use. Perfect for use in wheelchairs, conventional chairs or anywhere additional lift is needed. The cover is made of a durable black cover with convenient 5" strap handles for easier carrying..PRESSURE RELIEF SEAT CUSHION includes removable hard board insert for additional firmness and a removable cover with strap handles for easy carrying and cleaning. Hard board insert eliminated bowing of the seat cushion..WHEELCHAIR CUSHION can be used for extra support on hard surfaces, a lift for soft or low surfaces, on a wheelchair, or in a car seat for those who need more height for seeing over the dash or getting out of the car easier. Fits easily at 16 by 20 by 2 inches and weighs only 3.1 pounds.CUSHION with 4 inch foam helps reduce back pain and makes getting up easier and more comfortable..PRODUCT SPECS: 16 x 16 x 4 inches, weighs 3.1 lbs. Cushion includes removable hardboard insert and removable, washable cover..Suitable for adults of all ages.The DMI seat-lift cushion is latex-free, sports black color and measures 16" x 16" x 4"

The Luxor ergonomic chair cushion delivers supreme comfort and support to help ensure long hours of pain-free work at your desk. Before designing this premium-quality gel seat cushion, Luxor took a good look at common consumer complaints. Among them were insufficient size, flimsy and unsupportive padding, square shapes that cause discomfort and circulation problems in the lower legs, and unpleasant odors common to plastic and rubber. Luxor have addressed these issues with ergonomic contours and a supportive, odor-free TPE gel core. Then they upped the ante with a coccyx cutout, waterfall front to relieve pressure behind the knees, honeycomb cell structure for a cooling airflow, and a breathable and removable mesh cover that's washable. The result is a plush cushion that will make any office chair feel luxurious..Super comfortable and supportive gel chair cushion helps ensure long hours of pain-free work at your desk.Dimensions: 3"H x 18.25"W x 14.25"D.Features an ergonomic shape and coccyx cutout for comfort and support.Flexible, soft, and yet supportive padding is 100% TPE gel in sky blue; the cover is made of 100% polyester mesh in black.Cover is breathable, removable, and washable.Waterfall front helps reduce pain on backs of legs.Air channels provide cooling ventilation.5-year manufacturer limited warranty

Sit in comfort and support with the Mind Reader Seat Cushion with Gel Core, designed to relieve pressure and pain during long periods of sitting. Featuring a thickened honeycomb gel layer, this cushion conforms to your hips while promoting posture and reducing strain on your tailbone, lower back, and coccyx. Ideal for office chairs, car seats, wheelchairs, gaming setups, and more, this cushion stays cool and breathable thanks to its ventilated gel design. A washable, non-slip cover keeps it in place and easy to maintain. Whether you're working, commuting, or relaxing, this cushion delivers portable, all-day relief..Ergonomic Pressure Relief: A thick honeycomb gel core to reduce pressure on tailbone, hips, and lower back.Cooling & Breathable: Unique honeycomb structure enhances airflow and keeps you cool during long sitting sessions.Durable & Supportive: Soft yet resilient design conforms to your body while maintaining structure for lasting comfort.Non-Slip & Washable Cover: Comes with a black mesh fabric cover featuring a zipper for easy removal and machine washing—stays securely in place.Versatile Everyday Use: Great for office chairs, wheelchairs, gaming chairs, cars, travel, stadium seating, kayaks, and more; measures 17.75"L x 17.75"W x 1"H (45.08 x 45.08 x 2.54 cm).All-Day Comfort with Cooling Gel Support

Upgrade your sitting experience with the Mind Reader Heated Memory Foam Seat Cushion, featuring therapeutic heat and ergonomic Air-Cloud support. Designed to relieve pressure on your hips, tailbone, and lower back, this cushion includes four heat settings and a built-in timer with auto shut-off for safe, customized comfort. Ideal for office chairs, car seats, or home seating, the contoured shape encourages healthy posture and helps reduce sciatica and coccyx discomfort. The breathable mesh cover keeps you cool and is easily removable for cleaning, while the non-slip base and built-in carrying handle provide everyday convenience. Whether you're working long hours, recovering from an injury, or simply want more support and warmth throughout the day, this heated cushion delivers lasting comfort wherever you go..Therapeutic Heating Function: Built-in heating pad with 4 adjustable heat levels provides warmth and relief to sore hips and lower back.Safe and Customizable: Integrated timer and auto shut-off ensure safe, worry-free use during long sitting sessions.Ergonomic Air-Cloud Support: Contoured high-density memory foam promotes better posture and relieves pressure on coccyx and hips.Breathable & Portable: Mesh cover is machine washable; cushion includes a built-in handle and non-slip bottom for convenience.Compact and Supportive Size: Measures 18"L x 13.5"W x 2.75"H (45.7 x 34.3 x 7 cm), fitting most office chairs, car seats, or wheelchairs.Soothing Heat and Ergonomic Comfort Wherever You Sit

Crafted with the perfect blend of memory foam and cooling gel, this seat cushion provides exceptional support, ensuring that you maintain a healthy posture throughout the day. The memory foam filling adapts to your body contours, redistributing weight evenly and relieving pressure points, while always retaining its original shape. Versatility meets stability with a nonslip bottom, ensuring that your cushion stays securely in place on any chair surface. Whether you're seated in a desk chair, gaming chair, car seat, or kitchen chair, you can trust the Mount-It! Ergo Collection cushion to provide the support you need, exactly where you need it. Effortlessly move the cushion from one location to another with the integrated carrying handle, making it a convenient companion for work, travel, or leisure. At Mount-It!, they understand the importance of hygiene, which is why this seat cushion features a removable cover made of a durable and breathable mesh fabric. When it's time to freshen up, simply unzip and remove the cover for hassle-free washing, ensuring your cushion stays clean and hygienic. Upgrade your sitting experience today with the Mount-It! Ergo Collection seat cushion and discover the perfect balance of comfort, support, and convenience..Sit comfortably on any chair and improve your posture with this memory foam seat cushion.Dimensions: 18.5"H x 14.6"W x 3.15"D.Ergonomically designed to provide all-day support and comfort.Memory foam filling with soft cooling gel padding conforms to your body contours to redistribute weight, yet never loses its shape; durable black cover is made of a breathable mesh fabric and can be simply unzipped and removed for washing.With a nonslip bottom, the cushion can be used on any chair at home, in the office, or on the go.Integrated carrying handle makes transporting the cushion from one place to another easy.The Mount-It! Ergo Collection seat cushion was designed to offer you a more comfortable sitting experience and transform the way you support your posture.

Crafted with a combination of memory foam and gel, this seat cushion guarantees optimal comfort and support, allowing you to sit comfortably on any chair. Designed with ergonomics in mind, this cushion effectively reduces pressure on the tailbone, relieving discomfort and promoting proper spinal alignment. The memory foam filling, combined with the soothing cooling gel padding, effortlessly molds to your body contours, providing exceptional comfort without compromising its shape over time. Versatility is key with this ergonomic cushion. A nonslip bottom ensures stability on any chair surface, whether you're using the cushion on a desk chair, gaming chair, car seat, or kitchen chair. Plus, with an integrated carrying handle, transporting the cushion from one place to another is a breeze, making it perfect for both home and on-the-go use. At Mount-It!, they understand the importance of hygiene, which is why this seat cushion features a removable cover made of a durable and breathable mesh fabric. Simply unzip and remove the cover for easy washing, ensuring that your cushion remains fresh and clean. Elevate your sitting experience to new heights and discover unparalleled comfort, all-day support, and effortless portability. Say goodbye to discomfort and hello to a world of ergonomic well-being..Sit comfortably on any chair and improve your posture with this premium seat cushion.Dimensions: 14.96"H x 17.72"W x 5.12"D.Ergonomically designed to provide support and comfort while reducing pressure on the tailbone.Memory foam filling with soft cooling gel padding conforms to your body contours for exceptional comfort, yet never loses its shape; durable black cover is made of a breathable mesh fabric and can be simply unzipped and removed for washing.With a nonslip bottom, the cushion can be used on any chair at home, in the office, or on the go.Integrated carrying handle makes transporting the cushion from one place to another easy.The Mount-It! Ergo Collection premium seat cushion is the ultimate solution to enhance your sitting experience and promote better posture.

Customize your desk chair with this seat cushion. The wedge shape helps position your spine for a more comfortable seating experience, and the plush Therasoft padding offers added support. A thoughtfully positioned cutaway contour helps reduce pressure points at the tailbone. This cushion is easy to set up, as there's no installation required. With a neutral black color, this Safco SoftSpot cushion blends seamlessly with other office furnishings..Seat rest provides you comfort in your chair.Dimensions: 3"H x 15.5"W x 10"D.Comes in black and made of polyurethane foam.Features a washable surface so it's easy to keep clean.Stay comfortable throughout long shifts with this Safco SoftSpot seat cushion.

Upgrade your sitting experience with the Mind Reader Air-Cloud Gel Memory Foam Seat Cushion, designed to reduce pressure on your tailbone and lower back while promoting better posture. This ergonomic cushion combines dense memory foam with a cooling gel core and a center cutout to relieve discomfort from long hours of sitting—whether at your desk, in the car, or during travel.The breathable, removable cover allows for airflow and easy cleaning, while the non-slip base and built-in carrying handle make this cushion practical for everyday use. Ideal for sciatica, coccyx pain, pregnancy comfort, and improved spinal alignment, this lightweight cushion provides cool, consistent support wherever you go..Cooling Gel and Memory Foam Combo: High-density Air-Cloud memory foam pairs with a gel core to relieve pressure and keep you cool while seated.Tailbone Cutout Design: Ergonomically contoured to reduce strain on your coccyx and promote spinal alignment during extended sitting.Versatile Support Anywhere: Ideal for use on office chairs, car seats, wheelchairs, and travel situations—portable and lightweight.Non-Slip Base and Carry Handle: Stays securely in place on any seat and includes a built-in handle for easy transport.Compact and Comfortable: Measures 17.5"L x 14.5"W x 3.25"H (44.5 x 36.8 x 8.3 cm), fitting most chairs while offering maximum relief and airflow.Mind Reader Gel Memory Foam Seat Cushion with Tailbone Cutout – Ergonomic Comfort and Cooling Support

The simple Orthopedic Seat Solution from RELAXUS® encourages ideal posture by tipping the lower back forward. Along with the U-shape cutaway, the pressure on the lower back and tail bone ais alleviated. It's ideal for those suffering from pelvis, hip, and lower back numbness or pain. When there is no pressure on the lower back, circulation is improved, allowing the user to sit comfortably for more extended periods. Take with you to the bleachers, on the plane, in the car, to the office, on the boat - just about anywhere. It's also the ideal cushion for meditating because it's so comfortable and promotes improved posture, essential for optimal results..Promotes improved posture.Relieves pressure on the lower back and tailbone.Hypoallergenic memory foam cushion suits those afflicted with allergies.High-density padding for added comfort.Stain- and water-resistant.Easy to clean and maintain

10% off  of Kensington® Memory Foam Seat Rest, Black (82024)

Give your back and legs a break by fitting your chair with the Kensington memory foam seat rest. This ergonomically designed seat rest is specially engineered for those who need to work while sitting in a chair for long hours. This seat rest provides comfort, stability and support so that the only pressure you have to face is from deadlines. Made from a special washable material that reduces perspiration, this seat rest also features a fabric cover that allows you to wash it as often as you want..Seat rest cushion provides you comfort in your office chair.Dimensions: 16" x 15.5" x 2".Made of black memory foam which gently molds to your body shape.Special faux leather bottom that prevents cushion from sliding.Temperature- and pressure-sensitive foam adjusts to your body.Black washable fabric cover protects cushion from spills.Cushion molds to body shape, creating no pressure points.Kensington memory foam seat rest provides maximum comfort for your back when you work long hours.

Boost your comfort and visibility with the Mind Reader Booster Seat Cushion—a supportive and portable cushion ideal for the office, car, home, or wheelchair. Designed with soft cotton filling, this ergonomic cushion helps evenly distribute weight and relieve pressure on your lower back, hips, and thighs. The plush outer fabric adds breathable comfort, while the unique lower center design helps keep you seated in place.Perfect for shorter drivers or anyone needing a height lift, this cushion enhances your field of view behind the wheel. Lightweight and travel-ready, it features a built-in handle for easy portability, whether you're heading to the office or taking it on the go. Upgrade any chair into a more supportive and comfortable seating experience with this versatile cushion designed for daily relief and better posture..Ergonomic Seat Cushion: Soft cotton filling helps evenly distribute weight and relieve pressure on your spine, hips, and thighs.Breathable Comfort: Plush, breathable outer fabric promotes airflow for all-day sitting comfort.Boosted Visibility: Ideal for car seats—raises height for improved visibility while driving.Portable Design: Built-in carry handle makes it easy to transport between home, office, and car.Supportive Dimensions: Measures 17.75"L x 18.5"W x 4.5"H (45.08 x 46.99 x 11.43 cm) and fits most chairs

Offer guests comfortable seating at special events with this Flash Furniture HERCULES trapezoid-back banquet chair. The stackable design makes it easy to stash this chair in a closet or warehouse in between uses, and the durable 16-gauge steel frame stands up to repeated use. Plastic floor glides protect flooring surfaces, so they can be pulled away from tables without worry. The upholstered seat and back feature foam cushions to give guests added support while sitting through long programs and presentations. This Flash Furniture HERCULES trapezoid-back banquet chair features a neutral black color that coordinates effortlessly with a wide range of decor themes..Commercial-grade banquet chair fits well in formal and casual settings.Cushioned back and 2.5" thick foam seat are covered with durable black vinyl upholstery.Features trapezoidal back design, double support braces, and powder-coated steel frame.Dimensions: 36"H x 17.5"W x 20.25"D.Seat dimensions: 15.5"W x 15.75"D.Back dimensions: 14.5"H x 15.5"W.Traditional armless stacking style saves storage space.500 lbs. maximum weight capacity.Ships fully assembled.Bumper guards prevent scratches on the frame when stacked (up to 10 high) and non-marring floor glides protect your floor by sliding smoothly when you need to move the chair.5-year manufacturer limited warranty on non-moving metal parts.Prepare conference rooms or banquet halls for special events with this Flash Furniture HERCULES trapezoid-back stacking black banquet chair.

The Medline Visco cushion utilizes state-of-the-art visco elastic memory foam that cradles the patient's bony prominences to redistribute pressure. This pressure-reducing cushion has a bottom layer of open cell foam to add additional support and comfort. Anti-shear cover is easy-to-clean and is fluid-proof..19.6" L x 5" W x 20" H.Black cover over memory foam.250 lb. weight capacity.3" thick

The Medline Visco cushion utilizes state-of-the-art visco elastic memory foam that cradles the patient's bony prominences to redistribute pressure. This pressure-reducing cushion has a bottom layer of open cell foam to add additional support and comfort. Anti-shear cover is easy-to-clean and is fluid-proof..20" L x 18" W x 3" H.Black cover over memory foam.300 lb. weight capacity.3" thick

DMI waffle foam gel seat cushion measuring 2.5 x 20 x 18 inches comes with Oxford nylon cover and is made of black waffle foam/gel that offers optimum seating comfort. This DMI seat cushion equally distributes the weight, promotes better air circulation and has the capacity to reduce heat retention..This DMI Gel Foam Wheelchair cushion provides maximum weight distribution and stability which helps prevent pressure sores and ulcers..Great for larger wheelchairs, chairs, couches, sofas, recliners, and beds; the 2.5 inch cushion height also provides an extra lift of support to any chair you use..Gel Cushion is made of sculpted, egg crate foam which remains firm while reducing heat retention and promotion better circulation. With a gel insert, it adds soft, flexible cushioning in between the layers of foam and molds to your body for extra comfort..Product Specs: Gel cushion sized 18 x 20 x 2.5 inches with two carrying handles and removable; machine washable nylon cover..DMI Seat cushion is provided with oxford nylon cover and is made of waffle foam/gel in black color with a dimension of 18" x 20" x 2 1/2".

Medline's gel foam cushions provide both comfort and pressure redistribution. Helps redistribute pressure away from bony prominences. Gel pack between layers of high- resiliency foam. Durable and easy-to-clean Nylex top cover and vinyl bottom cover..21" L x 17" W x 16" H.Black top with light blue bottom.300 lb. weight capacity.3" thick