100% Cork Yoga Mat "The Woodpecker"description benefits For the purists out there, the 100% cork mat by 42 Birds contains only cork and nothing else. The sustainable cork is non slip with natural anti microbial properties that resist mold, mildew and bad smells. With 5mm thickness of pure cork, this mat offers a more firm than soft cushioning. Complimentary cotton carrying and yoga mat strap included. With the feeling of nature beating within you, we wish you a pure and inspiring yoga