FOR A GOOD NIGHT SLEEP IN CAMPING/HIKING - No more back pain or discomfort from stones and leaves under your back. This patented and ultralight 5cm thick sleeping bag mattress uses individual (but interconnected) inflatable cells that can adapt to your body shape to provide optimal comfort, support, and warmth (R value 1.3). PERFECT FOR HIKING - Ultralight, 15 oz, very small (9" x 2.8"), smaller than your water bottle or compact umbrella. Inflated: 185 x 55 x 5.5 cm. BUILT TO LAST - Professional quality, ultralight Ripstop 20D nylon fabric and laminated and extruded TPU (thermoplastic polyurethane) gives you a durable, waterproof, weatherproof, abrasion and tear resistant sleeping bag mattress. The same materials are commonly used in professional quality camping products. EASY TO INFLATE AND DEFLATE - Just 10-15 breaths and you have a comfortable sleep. Large, easy to use. The air valve allows you to inflate and deflate in seconds. We are a small company based in the USA and stand behind our products. Patented design! You Won't Miss Your Mattress Wake-up Refreshed and Pain-Free Sleeping on a CLOUD! Super comfortable for ANY sleep positions. Interconnected diamond shaped air cells that self-adjust to your body to provide optimal support and comfort with great stability. Isolated air cells that limit air flow and reduce heat loss due to convection to provide warmth without bulkiness.Ultralight and Ultra-Compact - Every Ounce Counts when you go backpacking - Weighs 16 oz MUCH LIGHTER than other competitors (up to 40%)! Packs down to as small as 8"x3.5". SMALLER than your water bottle or typical travel umbrella. Inflated size: 73"x21.6"x2.2" Pairs perfectly with Outdoorsman Lab Sleeping Bags.