40d nylon and TPU,this camping mattress features waterproof and puncture-proof performances, capable to withstand the weight of 440lb/200kg after inflated.Also, it is easy to clean, just gently wipe the surface if it is dust or dirt. 10cm thickness for optimal comfort: Our portable sleeping pad with 10cm thickness can keep your body away from cold ground and hard rocks. Suitable for lying on your back or side. Enjoy your night! Lightweight and Portable:The ultralight sleeping mat weighs only 1.8lb,can be folded up to a compact packs as small as 11x4.33 inches,making it easily fit in your backpack for easy carry.Suitable for most tents.Also,it comes with an integrated pillow,no need to bring an extra pillow. Fast Inflation and Deflation: This innovative camping mattress is built in a foot pump, just simply stomp on the built-in air pump at the bottom of the sleeping pad for only 30 seconds to inflate.No more inflating by mouth or air pump.In addition, the upgraded deflation valve with leak proof film,not only ensures 5 seconds quick deflation, but also avoids air leakage. Perfect for outdoor camping, hiking, backpacking. Connectable Design:Our camping pad is equipped with snap fasteners on the sides,with which you can connect two sleeping pad together easily, thus creating a double bed. Just try it,enjoy double bed you will get the new joy of camping.