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. Limited Life Time Warranty. Gripper back for use on low to medium pile carpets (up to 1/2"). It is common today for most flooring manufacturers to void their warranties unless you use floor protectors; such as chair mats. Made from strong polycarbonate - the material used for aircraft windscreens and bulletproof glass. ⚠ WARNING: This product can expose you to chemicals including Bisphenol A, which is known to the State of California to cause birth defects or other reproductive harm. For more information go to www. P65Warnings. ca. gov. 50% of our manufacturing site’s energy comes from on-site and external renewable sources. The ultimate in quality, clarity and durability. Will not crack, curl, discolor or smell. Greenguard Certified. Rectangular Chair Mat 48" x 79". Straight Edge. Floortex Ultimat Polycarbonate provides the ultimate in quality, clarity and durability.