100% Polyester Made in the USA Therm-a-Rest’s top-rated camping and backpacking inflatable air pillow is lightweight, packable, and topped with ultra-soft down The light, compact pillow packs exceptionally small for easy travel; its precise shape nestles into the hood of a sleeping bag 4 inches thick (inflated) with a baffled air chamber, the Air Head Down Pillow offers stability, loft and custom support Luxurious down provides superior comfort; removable polyester cover is machine washable; nonslip fabric keeps pillow in place Regular measures 11 x 15.5 x 4 inches, packs to 3.5 x 4.25 inches, and weighs 5 ounces; stuff sack included, assembled in the USA