Graham Field Bariatric Skin Protection Cushions Features Positions the user with a moderate slope from front to back 4" Cushion Strap to secure cushion firmly to the chair 650 lb maximum weight capacity 18-month limited warranty Three layers provide pressure distribution and weight equalization to meet the unique demands of the bariatric patient: Medium density foam base Non-aqueous specialized visco-elastic gel core layer reduces tissue interface pressure at critical points - Proprietary gel is a flexible solid that will not leak - Gel is placed at three pressure zones Visco elastic memory foam topper for superior comfort and pressure relief Cover Features Fluid-proof stretch top cover, reduces shear/friction Antimicrobial Flame retardant Removable and washable Non-skid base Specification Brand: Graham Field Product Type: Bariatric Skin Protection Cushions