Self-contained electric pump:One-click fast and automatic infilation saves time and effort,Innovative design with built-in air pump provides easy one-click automatic inflation. Very simple to operate by a single person. Relax and enjoy whenever you want! Small and convenient to store:The Lounger weight is only 1 kg. After folding, it can be easily stuffed into the backpack. You can carry the lounger with you everywhere and have your own relax zone no matter where you are! Ergonomic designAccording to the structure of the human body, Lounger was designed to support the ergonomically healthy body posture.Relax the body and mind while the lounger protecting your spine curve. The emergency power bank functionAdopts a Micro USB input port for charging and in turn has a USB Type-A port (the ordinary one) to be able to recharge a smartphone, Switch or iPad if necessary. The internal battery capacity is 2600mAh. Outdoor power backup is readily available, recharge while laying down to relax. Double-layer composite hot-pressing high-frequency technologyIt is made by hot-pressing high-frequency welding of new environmentally friendly polymer TPU material. High heat resistant film, high sealing degree and zero porosity improve air pressure durability and exclude air leakage or deformation. It is soft, durable, lightweight, odor-free, with no damage to the skin, no water seepage. Enjoy your on grass, beach, rock, or snow whatsoever. Size:70*27.5 in