COCCYX SEAT CUSHION DESIGN with U Shaped Cutout reduces and relieves pressure on the tailbone & spine. ULTIMATE CUSHION SUPPORT FOR DAILY USE with our Gel Memory Foam layered combination that provides comfort, support, pressure relief and effectively distributes weight support throughout the entire cushion area. MUTI-USE CUSHION that is ideal for a wheelchair, transport chair, office, home, events and travel. WATER RESISTANT, WASHABLE, ZIPPER REMOVABLE & SKIN SOFT COVER is easy to remove and washable. The material is very durable, while also soft and comfortable on your skin. STAYS SECURE TO YOUR CHAIR with a non-skid bottom material and Velcro attachment straps.