Order # 28664309 Manufacturer# EZ2018-96 Brand EZ-Dish Manufacturer Span America Application Seat Cushion Dimensions 18 X 20 X 3 Inch HCPCS E2603 (Disclaimer) Inflation Type Non-inflatable Material Foam UNSPSC Code 42192208 Weight Capacity 250 lbs. A comfortable viscoelastic "memory foam" top molds to the anatomically shaped, round-edged pocket below in the high density bottom Pocket reduces pressure on ischials and coccyx 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