From:http://www.grip-mat.com/blog/ProView.asp?ProId=184
Among PVC, EVA, TPE yoga mat, TPE yoga mat is the most eco-friendly one which can be used by all including kids. And TPE yoga mat is one kind of much more upscale products than other plastic material, it is chloride-free, non-metallic elements, antistatic. Each TPE mat is about 1200 grams which is about 300 grams lighter than PVC foam mat.It is very suitable to carry out. However, PVC and EVA yoga mats are much more frequently used with larger popularity due to its civilian price and property, they are the most common mat for yoga or pilates.