Dimex folding chairmats: A complete line of chairmats all now foldable. Offered in the most popular sizes, shapes and thicknesses. The thicker the chairmat the better the ride, stay-put and durability. Certified to contain a minimum of 33-percent recycled material. Recycled material is generated by 3rd party manufacturers. This material is destined for landfills. Using this material shrinks our environmental footprint.