Do you know that studies show that already after 26 seconds, the body starts absorbing toxin when in contact with the skin? Then imagine standing on your bare feet and/or hands on your yoga mat for a whole session...that's why it is of utmost importance that all Yogiraj mats and props always are 100% free from toxin. Not 49% free like many "eco-friendly" products actually are to be considered that, but 100% free from toxin. Everything else is just a bad compromise, if you ask us. Rest assured that we have done the research on this for you.