Bean Rubber PU Yoga Mat OMphibian Mat - The Best Non-Slip Eco-Friendly Natural Rubber with wet grip PU surfaceBean Products OMphibian mats are made with a wet or dry grip PU Surface with a natural Rubber core. With double sided non slip surfaces, OMphibian yoga mats provide an unsurpassed slip resistance (like the suction cup fingers of a tree frog). Maintaining position during practice improves your yoga and prevents injuries. The extra dense 1 4 inch cushion protects your knees and elbows while you practice. A larger size allows for a more comfortable