ZOOOBELIVES Extra Thickness Inflatable Sleeping Pad with Built-in Pump, Most Comfortable Camping Mattress for Backpacking, Car Traveling and Hiking, Compact and Lightweight - Airlive2000 Features & details * 4" THICK FOR MAXIMUM COMFORT in this premium self inflating sleeping pad. You get a very comfy extra thick 4 inch of air padding that protects from rough ground, hard floors, and cold conditions. Providing a true 4-season pad with an estimated R-value of 4. Get a great night's sleep anywhere at any time. Measures 74" x 24" x 4" fully inflated. * FAST INFLATABLE DESIGN with Built-in Air Pump. Simply stomp or hand press to inflate. Much easier than blowing it up with your breath or another pump, no batteries needed. And the outtake valve has the double-decked design, one is for inflating or slow release of air for adjusting the firm you like, and the 2nd is for quick deflation. * RUGGED LONG-LASTING 75D Polyester pongee fabric with extruded PVC lamination. It's waterproof and warm which will protect you from the wet ground in the most extreme conditions. This sleeping mat will be a perfect match for your tent, sleeping bag, and camping cot.