✔ 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, our 12" Mid-Rise Dura-Beam Air Mattresses are designed with bottom ring stability to withstand the weight of the sleeper without sagging or losing its shape ✔ QUICKFILL USB150 AIR PUMP – Included is a hand-held USB powered Quickfill Air Pump that can easily inflate and deflate your mattress on the go (Approximate inflation time is 7 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, that's just the bed stretching, simply re-inflate the bed again; the bed will fully settle within 2-3 nights