AirTight system is factory-tested to be leak-free. QUEEN. Wrap 'N' Roll built-in storage system. just fold, roll and store ComfortStrong coil system provides better support for all-night comfort Double Lock valve is dual-sealed to be leak-free Included 4D pump for easy inflation and deflation, outdoors or indoors (batteries sold separately) Soft plush top creates a velvet-like sleep surface for more comfort. Fits standard queen size sheets. Supports up to 600 lbs. .