Order # 81024309 Manufacturer# EQ2018 Brand The Equalizer Manufacturer Span America Application Seat Cushion Cover Material 2-way Stretch Top / Nylon Bottom Cover Dimensions 18 X 20 X 3-1/2 Inch HCPCS E2603 (Disclaimer) Inflation Type Non-inflatable Material Foam UNSPSC Code 42192208 Weight Capacity 250 lbs. The multi-component construction of the Equalizer contoured positioning cushion features an ultra-comfortable viscoelastic "memory foam" top, a contoured foundation layer for proper positioning of the legs, and an extra-soft relief zone for high-risk bony prominences Three zones of a proprietary, gel-like soft polymer provide added pressure dispersion under the thighs, greater trochanters, and ischial/tailbone region Moisture-resistant cover has a rugged nylon bottom with a 2-way stretch fabric top and convenient front carry handle Built-in sleeve in bottom of cover allows use of molded Sling-Fill base (not included) for added stability in fabric sling seats 2-Year Warranty