The Quilted Air individual air pockets create a superior system for back support. Double high foundation creates a mattress-like experience. 18inch Inflated height, as tall as a mattress. Comfort Smart Coil System conforms to your body•À?s shape and sleeping position providing consistent head-to-toe support. Easy to inflate and deflate with Coleman•À?s exclusive Double-Lock valve systemDouble Lock•À? Valve - Two sealing points. Dimensions: 195 x 155 x 46cm. Weight: 4.9kg.