Skil-Care Seat Cushion 46 X 41 X 6,3 cm Foam / Gel - EachSeat Cushion Skil Care 18 W X 16 L X 2 1 2 D Inch Foam Gel Two chamber wheelchair flotation cushion combines the comfort and therapeutic effectiveness of gel and foam. Water based gel lowers interface pressure and cools to eliminate perspiration High density foam prevents bottoming out. Low shear outer cover reduces skin damaging friction removes for easy laundering. Wipes clean for easy care Incontinence proof vinyl cover prevents urine from entering