The General Use Gel "E 2" Seat Cushion by Drive Medical is a pressure reducing cushion, designed to assist in the prevention, treatment and management of pressure ulcers. The viscous gel bladder provides optimized pressure reduction, support, and comfort. The removable and replaceable zippered cover is made from a urethane-coated nylon that is water resistant and vapor permeable. The base is made from a durable vinyl. This product is intended for users with a low risk of skin breakdown.