Mayura Yoga Mat - Eco Friendly Natural Rubber, Flow with Nature, Thick Cushion, Longer length, Great Grip No Slip Non-Slip Texture, Great for Outdoor, Indoor, and Hot Yoga Natural Rubber w/ thin polyurethane coating on 1 side Poly side is great for outdoor use, doesn't collect dirt or debris Natural Rubber has maximum texture for a Great Grip! Eco & Socially Concious Company Design selected by Yogis 4 Yogis!