Coleman Twin Double-High Pillow-Top Airbed with Built-In Pump Twin-sized bed (74 x 39) is raised to be as tall as a standard mattress Comfortable, fiber-filled quilted mattress pad zips on and off for machine washing Built-in electric pump inflates and deflates in seconds; 120V transformer included Coleman Airtight System guarantees a leak-free inflatable, with advanced Double Lock Valve Airbed stores in convenient carry bag