Gel-foam MaterialContour Cushion TypePolyX Cover TypeEach18" L x 3" W x 16" D, Contour TypeGel-foam MaterialContour Cushion TypePolyX Cover TypeComfort Plus™ Wheelchair Cushions, 18" L x 3" W x 16" D, Contour Typehttp://s7d5.scene7.com/is/image/Staples/s0582482_sc7?$std$http://s7d5.scene7.com/is/image/Staples/s0582482_sc7?$thb$http://s7d5.scene7.com/is/image/Staples/s0582482/Comfort-Plus-Wheelchair-Cushions-18-inch-L-x-3-inch-W-x/product_113212Comfort Plus™ Wheelchair Cushions, 18" L x 3" W x 16" D, Contour Type0.00