Our most beloved mat. Built to last a lifetime. Ultra-dense cushioning provides superior support, stability and joint protection. The PRO will never wear out, guaranteed. Made in Germany from PVC. , , Use & Care, To Store: Roll Black Mat PRO mats with the top side (fabric-finish) facing outwards. This keeps the corners of the mat flat when practicing. , To Break In: The best way to break in your mat is practice, practice, practice, but if you want to speed things up a little, try a simple salt scrub. Generously sprinkle coarse sea salt on the mat and let it sit or scrub in a circular motionlike you would wax a surfboard. After 24 hours, wipe the salt off with a damp cloth. Repeat 2-3 times with fresh salt as needed. , , Sustainability , Designed to last a lifetime (or two), Manduka PRO series yoga mats curb the amount of PVC mats that enter landfills every year and reduces overall mat consumption. During the manufacturing of most PVC products, toxic emissions may be released into the air. However, PRO series mats are manufactured through a process that ensures no toxic emissions are released into the atmosphere. The PRO Series is also certified STANDARD 100 by OEKO-TEX ? (12.HUS.17706 | Hohenstein HTTI) to keep you and your family safe from harmful substances.