1. [Double Camping Sleeping Pad]Size before inflation: 93.7 "L x 58.2 "W, full of air (feet can not be stepped on to stop inflation, measured from the edge) size 77.5 "L x 48.4 "W x 3.34 "Th, enough to accommodate 2 people, can carry weight 200 kg. This thickness can well withstand the rocky terrain below. 2. [Ergonomic]The ultra-light sleeping pad uses a unique strap support technology. The camping mattress deforms independently to conform to body contours and efficiently distribute gravity, increasing the inflatable sleeping pad's weight capacity to 450 lbs. Combined with the ergonomic one-piece pillow, this camping sleeping pad is much more comfortable than other sleeping pads. 3. [Built-in foot pump, easy to inflate]No need to blow air by mouth, no need for extra pump, the wide sleeping pad is equipped with a built-in foot pump, clean and hygienic, even children can finish inflating. The two double valves on the pillow can effectively prevent air leakage and achieve rapid deflation, just remember to close the valve before inflation. Note: Inflation time depends on the speed of your foot. 4. [Nylon environmental protection material]Ultra-thick waterproof 40D nylon and TPU materials are durable and tear-resistant, making this compact sleeping pad perfect for the harsh environment of the wilderness. The thickened film ensures that our self-inflating camping pad effectively punctures and resists moisture and will not leak, so the camping air pad weighs only 3.2 lbs.