With plush flocking on the top, the Classic Downy airbed gives a more luxurious sleeping surface and helps keep bedding from slipping. Flocking cleans easily and is waterproof for camping use. Wave beam construction for a uniform sleeping surface. Quality tested 20.8 gauge waterproof flocked top with 14 gauge vinyl beams and 15 gauge vinyl bottom comes with 2-in-1 valve for fast inflating and deflating. Measures 8 3/4" thick for extra comfort and conventional mattress sizes allow for more sleeping area and a better fit for sheets.