FUNDANGO Sleeping Pads Series Self-Inflating Pad Durable Comfort Foam Sleeping Pad Camping Mattress Lightweight for Hiking Backpacking Outdoor Activies Self-inflating/deflating:Exclusive jet stream foam offers quick inflation and deflation.Strong and non-leak brass valve withstand years of use without the need for a pump,making it superior to other mats Comfort and Warm:2 inch thick soft foam offers insulation and back support.R-Value of 6.5 keeps you exceptionally warm Durable Material:Outer Shell is non-slip and waterproof 75D polyester pongee coated PVC,Top fabric is 100% Polyester 230T Micro-brushed,make it damp-proof, environmentally friendly and comfortable,durable to use years. Repair kit included(Glue Not Included) A great substitution to an air bed or mattress.This durable self inflating camp pad is ideal for camping, self-driving tour,fishing and other outdoor activities. Also it can be used at home when guests visiting Open brass valves, the pad will inflate itself Includes stuff sack; measures 77x25x2 inches expanded, 25.6x7.8 inches rolled, weighs 4.9 pounds No pump needed, just twist it open, unroll the pad and it will start to  inflate itself, You can  adjust the comfort level of this self-inflating camp pad.Bronze +plastic cover valve which is durable and non-leaking 100% Polyester 230T Micro-brushed,this self inflating pad is damp-proof, and comfortable, durable to use years Thicker compare to normal camping sleeping pad with 1.2&#039;&#039; which provides superior back support and high R-Value to insulate against the cold ground. Open the vavle,rolling sleep from toe to head to release the majority of the air Close the valve and unfold sleep pad, begin to roll it again from toe to head (with valves still closed) Then open the valves, and let the air flow out.Then close the valves