GREAT SUPPORT FOR DAILY USE - This medical-grade polyurethane foam wheelchair cushion provides support and comfort by relieving pressure and distributing weight throughout the entire cushion area. This seat pad can easily turn any uncomfortable chair into a comfortable area to sit on with full support.SCULPTED CONVOLUTE CUSHION - This breathable seat cushion is made from durable foam padding with egg crate shaped patterns that helps take pressure and weight off of your back side, providing relief and comfort to sensitive areas and increase air circulation.MUTI-USE CUSHION - Our seat cover pillow is ideal for adding padding to any hard or uncomfortable surface, such as a wheelchair, transport chair, office chair, couch, car, hard benches and can be used at home or while traveling.STAYS SECURE TO YOUR CHAIR - These cushions are made with a comfortable non-skid material that will allow the cushion to stay in place and not move around, giving you more protection and relief when sitting for long times.LARGE SEAT PAD - Support cushions measure 4 inches thick, 18 inches wide and 16 inches deep.