Feature: 1. 40cm Three Storey Heightening: The 40cm air mattress is raised in three layers, which can effectively apply pressure and shock absorption, and heat insulation, and can also experience the same sleep at home outdoors. 2. Beehiv Matrix Column: The air mattress with built in pump adopts beehive matrix column, which is not easy to deform, distributes pressure evenly, and is waterproof and moisture proof, with strong support. 3. Low Noise and Firm: The rolling noise is low, and double high inflatable bed is stably made into 300KG. It fits the curve and is not easy to deform. It refuses noise and gives you a quiet sleep. 4. Free Adjustment of Hardness and Softness: Adjust the hardness and softness of the allowable air bed according to the allowable air volume. 5. PVC Fabric: The double high air mattress with built in pump can be used at home and outdoors. It is made of premium durable PVC fabric. Specification: Item Type: Inflatable Bed Product Material: PVC Product Color: Khaki Weight: Approx. 7100g / 15.7lb Battery Type: Polymer Lithium Battery Battery Capacity: 2000mAh (Shipped with Built in Battery) Product Size: Approx. 197x150x40cm / 77.6x59.1x15.7in Applicable Population: Children and Adults Applicable Scenarios: Indoor, Office Lunch Break, Outdoor, etc. Features: Lithium Pump Inside, One Button Air Release, Easy Storage. Package List: 1 x Inflatable Bed1 x Manual2 x Earplugs1 x Eye Patch2 x Repair Patch1 Set (3 Pieces) x Inflation Pump Head1 x Charging Cable1 x Storage Bag