KingCamp Camping Self-Inflating Pad,Sleeping Mat with Attached Inflatable Pillow,Water Repellent Coating, Quick Flow ABS Value, Firm Ultralight Comfortable for Outdoor MATERIAL: Fabric 190T Polyester; DIMENSIONS: L 77" x W 25" x H 2" SELF INFLATING: ABS free-flow valve, no pump needed, with an ATTACHED PILLOW. Ideal for Camping, Hiking, and Outdoor Use WATERPROOF: 190T Polyester, 2 inch thick when fully inflated; Two pads can be buckled together to provide more sleeping area when desired FIRST TIME USE: During first time use massage and beat the pad to expand it. For increased firmness, sleep pad can be manually inflated by blowing into the valve. Close valve to maintain firmness PORTABLE: Equipped with compression straps, oversized oxford carry bag and repair kit. Looking for a sleeping bag liner? Please search ASIN:B014ZZQBNA