Twin Prestige Downy AirbedThe perfect choice for the rugged outdoors. The flocked top provides a comfortable sleeping surface, cleanse easily, and is waterproof for camping. The powerful battery-operated (6 x C-cell) pump goes anywhere! •Quality tested 20.8 gauge (0.52mm) waterproof flocked top with 15 gauge (0.38mm) vinyl sides and bottom •3-in-1 valve has extra-wide openings for fast inflating and deflating •Conventional mattress size for more sleeping area and a better fit for sheets •8.75" mattress thickness for extra soft comfort •Approximate measurements: 39"x75"x8.75" (99cm x 191cm x 22cm) •Approximate inflating time: 2 minutes •Folds compactly for storage or travel