The mat is foamed evenly with plump grains on the surface.It is no toxic and anti slip.Also it is with great rebound ability and strong anti-tear ability to prevent sports injuries.So it is ideal for the yoga exercisers.Also,it can block ground chill,and has strong grip to prevent sliding when sweating. Item:PVC yoga mat Thickness: 3 MM Material:PVC foam Size:61*173 cm Anti-slip to protect you when doing some complicated poses Easy to clean,you can wash it by wash and then dry up. Rolled up,easy to carry. z