Take the Intex Twin Classic Downy Bed Air Mattress camping or use it for houseguests. The cozy waterproof-flocked sleeping surface improves comfort and prevents sheets from slipping, while the wave beam construction creates a uniform sleeping surface that will give you a good night's rest wherever you are.8 ? in. high Waterproof flocked sleeping surface. Adjust desired firmness by adding or releasing air. Extra-wide valve fits larger pump nozzles for faster inflation. Fits standard size sheets. Inflates with most manual or electric air pumps. Removable valve lets air exhaust freely for easy deflation. Size: 75 in. L x 39 in. W x 8 ? in. D Carry size 12" x 11" x 3". Wt. 7 lbs.