KingCamp Sleeping Pad - Self-Inflating Lightweight Foam Mat Pads Compact Comfortable Mats with Built-in Pillows, Suitable for Camping Hiking Backpacking Traveling Outdoor Activities Jet stream foam for super fast inflation and deflation; 100% Polyester 150D Oxford, damp-proof, environmentally friendly and comfortable, durable to use years. Durable non-corrosive brass valve provides rapid inflation and deflation. It is convenient to adjust the comfort level of this self-inflating camp pad. Compression straps, an oversized oxford carrying bag and repair kit included. This durable self-inflating camp pad is ideal for camping, self-driving tour, fishing, hiking, climbing and other outdoor activities. Also it can be used at home when you have guests round to spend the night. Open the valve, the pad will inflate itself. **To deflate the pad, **1. Firstly, open the valves, rolling the pad from the bottom, press the rolling part by your legs. When rolling to the top part, let the air flow out for a while, then close the valves. **2. Secondly, don't open the valves, unfold the pad, then rolling the pad again to the top part, open the valves, let the air flow out. Then close the valves. **3. Repeat 2 until you can fold the pad into the carry bag (about 2 - 4 times) 100% Polyester 150D Oxford, damp-proof, and comfortable, durable to use years <span class="a-text-bold">Built-in PILLOW</span> to add more comfort <span class="a-text-bold">Jet stream foam</span> and durable non-corrosive brass valve for super fast inflation and deflation It is convenient to adjust the comfort level of this <span class="a-text-bold">self-inflating camp pad</span> <span class="a-text-bold">CLASSIC LIGHT</span>: 72  20  1 inches <span class="a-text-bold">CLASSIC COMFORT</span>: 75  23.6  1.5 inches <span class="a-text-bold">CLASSIC SUPER</span>: 78  24.8  1.9 inches <span class="a-text-bold">Firstly</span>, open the valve, rolling the pad from the bottom, press the rolling part by your legs. When rolling to the top part, let the air flow out for a while, then close the valve. <span class="a-text-bold">Secondly</span>, don&#039;t open the valve, unfold the pad, then rolling the pad again to the top part, open the valve, let the air flow out. Then close the valve. <span class="a-text-bold">Thirdly</span>, repeat 2 until you can fold the pad into the carry bag (about 2 - 4 times). Open the valve, the pad will inflate itself. Putting it under the sun will make the process faster and better.