Jade Mushroom Mat diverts organic waste from landfills, reducing harmful methane emissions, a significant contributor to global warming, and provides an additional income stream for farmers in developing countries. Eco-Friendly - Made in Spain with natural rubber, a rapidly renewable resource, tapped from rubber trees and USDA Organic certified oyster mushroom waste and contains no PVC or synthetic plastics. Non-Slip - Natural Rubber surface guarantees optimum grip. Comfortable - Better cushion and more resilience than any other yoga mat. *Please note that colors on the screen are approximations and do not match the mats exactly; if you would like to know the exact color of our mats, please visit one of our retailers or email us to request a free sample swatch. *Latex Warning: Persons with rubber or latex allergies should avoid contact with this mat as it contains dry natural rubber and may contain latex. *Jade Mats have a rubber scent – your assurance that Jade mats are made sustainably with natural rubber. This natural scent is normal and will dissipate over time.