100% 50d Polyester Made in the USA Ultralight, compact, self-inflating seat cushion for camping, backpacking, hiking, travel, and outdoor sporting events, concerts, and festivals Easily adjust the firmness of the self-inflating seat at camp or on the trail with a valve that can be adjusted with one hand Closure bungee keeps the seat rolled up tight in a pack; its feather weight (4 ounces) makes a minimal impact on a pack’s weight Seat offers plenty of warmth and comfort with 1.5-inch thick foam that insulates from the ground temperature Inflated seat measures 13 x 16 x 1.5 inches, packs to 6.5 x 2.5 inches, weighs 4 ounces; manufacturer's limited lifetime warranty, made in the USA