FIBER-TECH BEAM CONSTRUCTION – Comprised of thousands of high-strength polyester fibers that provide enhanced comfort, stability and support; Fiber-Tech Beam Construction can withstand more weight and pressure without losing its comfort or stability DURABILITY – Unlike traditional air beds that tend to sink or dip over time, Dura-Beam Air Mattresses are designed to withstand the weight of the sleeper without sagging or losing its shape BUILT-IN FOOT PUMP – The built-in foot pump allows for quick and effortless inflation without the need for additional tools or electricity Approximate inflation time is 2.5 minutes VELVETY SLEEPING SURFACE – The air mattress features a velvety sleeping surface that is not only soft and comfortable, but also easy to clean; this makes it an ideal choice for use as a guest bed or for camping trips STRETCH – At first inflation the material will STRETCH, which is sometimes misinterpreted as leaking; You will sense a loss of pressure, thats just the bed stretching, simply re-inflate the bed again; the bed will fully settle within 2-3 nights