Order # 58884309 Manufacturer# PRT1816-96-1 Brand Geo-Matt PRT Manufacturer Span America Application Seat Cushion Cover Material Anti-Slip Cover Dimensions 16 X 18 X 3 Inch HCPCS E2604 (Disclaimer) Inflation Type Non-inflatable Material Foam UNSPSC Code 42192208 Weight Capacity 250 lbs. This modification of Geo-Matt's patented design creates the lower, firmer base needed by more active wheelchair users Same individually responsive cells, Ring-of-Air heat/moisture reduction, and pressure redistribution as original Geo-Matt Cut from a premium, high-density foam to allow equal support in a lower profile Cover consists of anti-slip top surface and non-skid bottom Built-in sleeve in bottom of anti-slip cover allows use of molded Sling-Fill base (not included) 18 month warranty