Polyester, Cotton Imported UNIQUE CUT-OUT DESIGN: This firm, high-density memory foam cushion reduces pressure on your spine, tailbone, and lumbar discs. It ensures your tailbone doesn't touch the sitting surface, preventing discomfort or soreness. RELIEVES PAINFUL PRESSURE POINTS: Provides excellent back support and relieves the side effects resulting from pressing on the lower tailbone area. FIRM, HIGH DENSITY MEMORY FOAM: Heavy Duty Thicker Memory Foam to Support Heavier Users. (Size - 18" x 16" x 3.5"). High density prevents cushion from flattening. CURVED SURFACE PROVIDES SUPPORT FOR BUTTOCKS, HIPS, AND THIGHS: Ergonomic design gently cradles your buttocks and the back of your upper thighs with its curved surface, evenly distributing weight and promoting proper posture and spinal alignment. Perfect for Office, Car, Kitchen, or Dining Room Chairs. WASHABLE, BREATHABLE VELOUR COVER WITH BUILT-IN HANDLES AND NON-SLIP BOTTOM: The high quality cover made with tiny holes to improve circulation and prevent the buildup of moisture or sweat, making it an ideal choice for prolonged use. Simply unzip the removable cover and place it in the washing machine or hand wash it for a fresh and clean sitting. Non-slip bottom keeps your cushion in place. Built-in handles make it easy to bring it with you wherever you go. Product Description Product Features: - High Quality Fabric - Good absorption, firm and comfortable, safe and not toxic. - Memory Foam has a very high tensile strength and is extremely durable - Features a specially-positioned U-shaped cut-out that gently suspends your tailbone to relieve pressure; Unique shape will relieve pressure on your back and hips while providing a comfortable place to sit for long periods. - Assists in the treatment of sciatica, pressure ulcers, injured tailbone and more - Fits most autos, trucks or SUVs, even airline and train seats; Suitable for home and office chairs. - Removable zipper cover; Built in handle on the cover makes it easy to carry More Reasons Why You Need This Product: * U-shaped Empty Slot - The back of the spine away from the oppression of seat, alleviate the pressure of the tailbone. * Ergonomic Coccyx Design - Relieves painful pressure on your tailbone, Encourages a good spine position. * Natural Cervical Curve - Natural groove curve design, to promote blood circulation of legs. * High and Low Design - Contoured molded seat cushion that evenly distributes body weight. The FOMI Memory Foam Seat Cushion adds comfort to a chair, bench, car, plane, floor, or wheelchair. It reduces pressure on the tailbone while sitting and promotes healthy posture/spine alignment. The cushion will help prevent pressure ulcers. Most importantly, the cushions high-density firm foam will not flatten out when you sit on it like other cushions. It was designed for lasting comfort and optimal support over long periods of time.