... back cushion great for camping,traveling,Picnicking etc, inside foam,outside fabric coated pvc,easy carry,rolled up inflatable back ... plastic Valve With Cap,inside 21D soft foam or memory foam2.Air cushion great for traving,camping,stadium seating ... just by opening the valve.5.self air cushion Has an internal self inflating foam and an ... logo, packing,and color is available. inflatable back cushion