Gel E Wheelchair Cushion 18 x 16 x 3 Knee Walkers Parts Acces Eliminates fibrin 7318 DS SLV Eliminates fibrin Foam pillows provide a cushioned surface on which to rest your underarms and hands Pressure reducing cushion designed to assist in the prevention treatment and management of pressure ulcers * Viscous gel provides optimized pressure reduction support and comfort * Fire retardant polyurethane foam shell * Removable and replaceable cover has water resistant Top and Non Slip vinyl base * Weight Capacity: 275 lbs * 18 Month Limited Warranty on cover and cushion * Compare to Mason Gel U Seat Blue Chip Gel Pro DLX Invacare Comfortmate Invacare Infinity Lo Contour & FLA Postura Gelfoam *