Brand: Allsop. MPN: 30188. The Allsop 30188 Naturesmart Mouse Pad do not use petroleum-based materials such as EVA, PVC, or PU. No glue or harmful chemicals are used to attach the soft-cloth surface to the non-skid base. This naturesmart mouse pad has an Eco-base, a non-skid base made with 60% natural rubber and 40% post-industrial recycled material.