Manduka eKO 2.0 Wet-Grip Natural Tree Rubber Yoga Mat, Quest - 5mm NEW wet-grip surface for even better slip resistance 5mm yoga mat made from non-Amazon-harvested tree rubber Decomposes completely at the end of its useful life without leaving footprint Free of oil-based products, toxic materials, foaming agents, and plasticizers Patented manufacturing process is latex-free and non-allergenic