R3078XL Depth: 17" Features: -Cushion.-Molded foam for firm support.-Side wings provide extra support. Includes: -Includes removable poly or cotton cover with elastic strap. Dimensions: -13" Cushion dimensions: 5" H x 14" W x 13" D.-17" Cushion dimensions: 5" H x 14" W x 17" D. Warranty: -Manufacturer provides 1 year warranty.