Full Air Mattress with Built in Pump,10" Blow up Air Bed, 2 Mins Quick Self-Inflation/Deflation, Foldable Inflatable Mattress for Home/Travel, 10'' Full GreySOFT THIN VELVET: Full 10 inch grey air mattress with built in pump has a soft and comfortable thin velvet surface on the front side of the sleeping layer, which increases sleeping friction and comfort and effectively prevents slipping, and gives you a comfortable sleep. INTERNAL COIL BEAM STRUCTURE: This product adopts the internal coil beam structure to make the inflatable mattress more airtight and supportive, made of waterproof PVC material with