Order # 89154309 Manufacturer# 89156-1 Brand Soft-Pedal Manufacturer Span America Application Seat Cushion Dimensions 18 X 20 X 1-7/8 Inch Inflation Type Non-inflatable Material Memory-Foam Top, Silicone Gel (SynerGel) Middle, High-Density Foam Base UNSPSC Code 42192208 Includes a wipe-clean cover with a non-slip top and non-skid bottom