easy to wash,comfortable and dry. Brass valves,sturdy and firm,wear resistance,and with long service lifespan. The multi-layer constructs features the characteristic of waterproof and moistureproof,keep you warm and easy ing. The ergonomic design can better support the human body curve,with high supportive and more comfortable. Suitable for mountaineering,swimming pool,fishing,,self-driving traveling,trekking and etc. 【Multi-layer & High Supportive】: The multi-layer constructs features the characteristic of waterproof and moistureproof,keep you warm and easy ing. The ergonomic design can better support the human body curve,with high supportive and more comfortable. 【Freely Expandable】: With free-form splicing and snap-fastener splicing setup design,the pads can be connected together easily,you can expand the size by splicing it according to your needs to adapt to bigger tents. 【Automatic Inflation】: The airnozzle can be automatically inflated by rotating counterclockwise,and the aircushion can be deflated by squeezing it,which is easy to use and saves time and labor. After auto-inflating,you can blow a few times to make it more full. 【Easy to Storage and Carry】: After deflated,it can be folded,rolled up and bound with webbing,then put into the storage bag,easy to carry. 【Wide Applications】: Suitable for mountaineering,swimming pool,fishing,,self-driving traveling,trekking and etc. Specifications: Name: Inflatable Mattress Material: 75D poly pongee sponge brass Color: yellow,blue,red (optional) Mattress features: waterproof,foldable Item size: 1800 * 600mm / 70.87 * 23.62in Package size: 180 * 180 * 630mm / 7.09 * 7.09 * 23.62in Package weight: 1670g / 3.68ounce Packing List: 1 * Inflatable Mattress 1 * Storage Bag