The prAna Transformation Mat lets you take your yoga practice on the road. This lightweight travel mat is made from natural rubber bonded with absorbent materials that provide extra traction when wet, perfect for heated yoga. The newest addition to prAna yoga mat family is a light weight travel mat made from biodegradable natural rubber bonded with ultra absorbent polyester microfiber. Fun, seasonal prints are sublimated on microfiber. It provides great traction when wet so is perfect for hot yoga. Layer on top of any of the other mats for extra cushioning. 68 (173cm) long x 26 (66cm) wide x 1.5mm thick. 1.6 lbs. Microfiber Face: 75% Polyester / 25% Nylon. Base: 100% Rubber. Material: Rubber, Polyester, Nylon.