Made from renewable plant sources, this clear chairmat offers an easy-rolling surface at any desk or workstation, eliminates wear on your hard floor surface and will not crack. Rectangular clear design lets you to see the beauty of the floor surface under the chairmat. Natural Origins Chairmat also features a classic straight-edge along with its eco-friendly construction. Renewable plant-based materials help reduce adverse environmental and health impacts. USDA Certified Bio-based chairmat is phthalate-free and cadmium-free.