Powertrain Cork Yoga Mat with Carry Straps Home Gym Pilates - Body LinePowertrain Cork Yoga Mat with Carry Straps Home Gym Pilates Body Line These yoga mats are developed from natural cork material. Durable, double layer yoga mats gently cushion joints, while providing firm, stable support for standing postures. The two sided non slip surface prevents slippage of hands and provides superior cushioning and excellent grip on hard surfaces. The 6mm thickness provides the perfect surface to protect your knees and joints