Our most popular mat, Harmony is the perfect combination of comfort, grip, and weight – ideal for most yogis. Eco-Friendly: Made in the U.S. with natural rubber, a rapidly renewable resource tapped from rubber trees and contains no PVC. Non-Slip: Open cell natural rubber guarantees optimum grip. Comfortable: Better cushion and more resilience than any other yoga mat. Hygienic: Natural rubber is naturally antimicrobial. Non-Toxic: Contains no PVC, phthalates, heavy metals or other toxic chemicals. Gives Back: Through our partnership with Trees for the Future, Jade plants a tree for every mat sold.