ALPS Mountaineering Lightweight Series Self-Inflating Air Pad, Various Size Top made of durable, lightweight and abrasion resistant Polyester Ripstop fabric Exclusive jet stream foam offers quick inflation and deflation, while providing support and insulation Strong, high-quality brass valve will withstand years of use, making it superior to other mats in this category Carry bag, compression strap and repair kit included, so the pad stays compact for your next adventure Dimensions: 30" x 77" x 3", Weight: 6 lb. 5 oz., Stuff Sack: 8" x 31"; XL offers a thicker pillow section and double brass valve