Floortex Ultimat Polycarbonate provides the ultimate in quality, clarity and durability. Provides ergonomic benefits for chair users by providing easy glide movement and reduced leg fatigue. No cracking, no curling, no dimpling, no yellowing, no smelling. Free of toxic chemicals and PVC. Polycarbonate mats can be used immediately, unlike PVC there is no need to wait for the product to lie flat. Sits under any large, medium or small computer desk. Made from strong polycarbonate, the material used for aircraft windscreens and bulletproof glass. Child and pet safe, Greenguard certified. Protects carpet floors from damage caused by moving chair casters. Polycarbonate will not crack, curl, discolour or smell. Lies flat and stays flat. Chair wheels will not sink into this mat under normal use. 100% recyclable. Environmentally safe, 50% of our manufacturing site's energy comes from on-site and external renewable sources. Gripper back for use on low to medium pile carpets up to 12mm thi