Intex PremAire Elevated Airbed with Built-in Electric Pump, Bed Height 18", Twin Pvc Imported Hundreds of inter-connected air pockets engineered so that air flows gently across the sleeping surface creating body-hugging comfort The 2-ply laminated side walls and bottom firmly retain air while providing a high quality puncture-resistant surface Powerful built-in air pump for fast inflation and deflation Approximate inflated size 39" x 75" x 18" Weight capacity 300 lbs.