SimplySleeper SS-SNG47T Premium Airbed with Built-in Rechargeable Pump, Beige, Twin Highest Quality and Super Durable DurmothaneTM Polyester Laminate Material Easy-to-use patented built-in rechargeable Ni-Cad Battery operated pump (Plug charger included.). Secondary valve works w air bed external pumps Inflates to 75.50" X 40" X 8.5" (Ultra Tough I-Beam Coils Construction) Unique three-layers of puncture resistant, lightweight (8;38 pounds), stretch resistant, soft touch and air-tight materials Automatically (No Touch) Inflates and deflates the bed in 60 seconds - FAST