Cosmic S-Ohm-MatFeatures The mat's surface is completely non staining and provides the same reliable non slip grip found in the standard S Ohm Mat. Constructed with vegan leather, the mat offers a secure, non slip surface suitable for any style of practice. Environmentally conscious: contains no PVC, no off gassing, is biodegradable, and made from responsibly sourced materials. Surfaces are bonded using a heat bonding process, eliminating the need for toxic glues.