This inflatable sofa can offer a fast inflation for that it adopts a built-in bump technology. And it can easily fit in your backpack after being deflated and folded. The air sofa can provide a comfortable lying if you get it inflated to keep yourself away from the uneven ground and hard rocks. It is made of nylon cloth and TPR material. The length of the inflatable sofa is 180cm, the width is 70cm, and the height is 50cm. It is suitable for camping, hiking, outdoor, etc. Item Name: Inflatable Sofa Material: Nylon Cloth, TPR Pump Battery Capacity: 2600mAh Pump Waterproof Rating: IPX4 Voltage: 5V Charging Time: 4h Sofa Inflating Time: 60s Inflatable Sofa Waterproof Rating: Splash-proof, IP34 Features: 60 Seconds Fast Inflation, Single Seat, Automatic Size Details: 180cm x 70cm x 50cm/70.87" x 27.56" x 19.69" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Inflatable Sofa 1 x Storage Bag 1 x Charging Cable 2 x Patches