Cleartex Advantagemat Plus chair mats combine excellent ergonomic performance, durability & floor protection High impact strength APET material provides a rigid easy glide surface for caster based chairs to help reduce lower back and leg fatigue Guaranteed not to chip, crack, break or shatter under normal use and correct application. High clarity allows the beauty of your flooring to shine through. Compatible with under floor heating systems Eco-friendly & highly sustainable material. Emission free. Ideal for people with allergies. Easily recycled at end of life for re-use as food containers and water bottles Phthalate, Bisphenol A (BPA) and vinyl free. Produced at our manufacturing site where 50% of the energy comes from on-site and external renewable sources. Contains up to 25% recycled content and 100% recyclable for a reduced carbon footprint. GreenGuard Gold certified Smooth back for use on hard floors. Rectangular 36' x 48' (Lip Size 20' x 10')