Seal Line Discovery inflatable seat cushion in like-new condition. For a kayak, camping, or your vehicle seat to make it more comfortable. -Therm-a-Rest self inflating technology - High flow air valve makes adjustments easy - Open cell foam (self inflating) with low slip polyester exterior - Hook and loop tabs for hassle-free attachment - Dimensions: 38x36x4cm/15x14x1.5 inches Weight: 125 grams/4.5oz