Made from a durable, contoured foam with a thin gel layer adhered on the top. Contoured, buttock shapped, design effectively distributes skin pressure at ischemic points. The contoured design also helps to improve positioning, aid balance and ensure stability. This lightweight cushion is suitable for low to medium risk pressure relief and is suipplied with a cover. Size 400 x 400 x 50mm (15 3/4 x 15 3/4 x 2"). Weight 2kg.