Cleartex Advantagemat Plus chair mats combine excellent ergonomic performance and floor protection with exceptional value. High impact resistant APET material provides a rigid easy glide surface for caster based chairs. Highly durability and clarity to protect your low and standard pile carpets from office chair casters, general wear, scuffs and spills. Easily recycled at end of life for re-use as water bottles and food containers. Emission free. Ideal for people with allergies.