This eco-conscious yoga mat is completely non-toxic, biodegradable, recyclable, and contains no latex, PVC, or rubber. During the production of this mat, no toxic materials are used. The mat is made from a newly patented material composed of carbon and hydrogen called TPE (Thermal Plastic Elastomer), which is a closed-cell foam that gives excellent support while preventing water absorption allowing for easy cleaning. The mats are textured on each side, have fantastic traction, and are non-slip. This is the perfect choice for those who might have an allergic reaction to natural rubber yet still desire an eco-friendly yoga mat. This mat is available in 5mm thicknesses.