• Material Composition: Natural rubber & Eco-Polyurethane • The Ultimate PU Natural Rubber Yoga & Exercise Mat. • Sweat-wicking,ultra-absorbent, moisture-wicking & excellent grip. • Eco-Friendly exercise & yoga mat with great traction. • Biodegradable, non-Amazon harvested, natural tree rubber with non-toxic foaming agents and non-Azo dyes. • Natural rubber smell, no PVC and harmful materials used. • Antimicrobial additives that help prevent bacterially and mold deposit buildup. • Durable, reversible & easy to clean.