This Visco Elastic cushion offers affordable pressure relief for the high-risk user. Suitable for use in both wheelchairs and day care chairs, the anti-slip base provides additional security. The two-way stretch cover is waterproof and can be easily wiped clean. A water resistant zip allows the cover to be removed when required. Size 430 x 430 x 80mm (17 x 17 x 31/4"). Weight 1.1kg.