The Wenzel Roll-n-Go Mat in Green measures 72 X 21 X1.5, with a rolled size of 23.5 X 6.5. This mat is self inflating for camping, exercising, or yoga. Inflates and deflates with a twist of the self inflating valve. The nonslip surface keeps your sleeping bag from slipping and sliding. The low maintenance nylon construction is easy to clean. A carrying bag is included with your purchase.