Material: Ever wondered what the “sticky” in sticky yoga mats is? Most likely it’s some toxic combination of plastic and carcinogen that will not only sicken you from inhaling the delicious plasticky fumes but will live forever in our landfills. You’re a junkie and a polluter! (Of course this is the kind I have. Cheap, remember?) If you are environmentally aware however, you can buy all natural rubber mats or at least synthetic ones that don’t have that new-car smell. You’re green and rich!