18 inches wide, 16 inches deep, and 3 inches high. Blue. Pressure reduction cushion designed to assist in the prevention, treatment and management of pressure ulcers. Fire retardant polyurethane foam shell. Viscous gel-bladder provides optimum support and comfort. Designed for clients who are at low risk for skin breakdown. Removable and replaceable cover has water resistant "Top" and "Non-Slip" vinyl base. Meets flammability standard TB117.