This multi-purpose, double-layer foam camp pad is designed to provide comfort and insulation under any sleeping bag, and it can also be used for yoga and exercise. For your easy-to-carry convenience, the 1/2-inch (12.7 mm) foam pad features a roll-up strap and handle. It is 20 inches wide and 70 inches long (50.8 cm x 182.8 cm), providing plenty of room for sleeping or working out.