Cork is the outer bark of the Oak Tree that is stripped by hand! Oak trees regenerate their bark by absorbing five times more Carbon Dioxide than an oak tree that hasn't been harvested.
The other side of the mat is made from EVA. EVA foam (Ethylene vinyl acetate) is considered eco-friendly because it is BPA free and does not contain chlorides, heavy metals, phenols, latex and other toxic substances. It is a safer alternative to products that use PVC foams which often carry BPA. It is also recyclable and reusable rather than having to throw away any wasted product.