Order # 89624309 Manufacturer# GMW2018-96-1 Manufacturer Span America Application Wedge Seat Cushion Cover Material Anti-slip Cover Dimensions 18 X 20 Inch HCPCS E2601 (Disclaimer) Inflation Type Non-inflatable Material Foam UNSPSC Code 42192208 High resiliency, high density foam wedge has a 4" (front) to 2" (back) taper that helps keep users' hips from sliding forward Facilitates restraint-free positioning without compromising skin integrity, thanks to its patented Geo-Matt surface geometry Cover consists of anti-slip top surface and non-skid bottom Built-in sleeve in bottom of cover allows use of molded Sling-Fill base (not included) 18 month warranty