Premium Alterra Yoga Mat (6mm)Our Alterra mat features calming colors with a design thats reminiscent of the oceans gentle waves, keeping you grounded and inspired as you flow through your practice. The supremely cushioning 6mm thick mat is made of latex free PVC thats also free of the six most harmful phthalates, and it features a textured, sticky surface for sure footing every time. And, as with all of our mats, its covered by our exclusive lifetime yoga mat guarantee. 6mm thick