These high clarity chairmats for carpeted flooring are made from Floortex Original polycarbonate, which has double the impact strength of PVC and will not crack, curl, discolor or smell. The perfectly flat and hard surface provides easy glide movement of caster based chairs which can reduce leg fatigue and lower back strain. Ultimat is environmentally safe, free from Phthalates, PVC and toxic chemicals. An ideal choice for people with allergies. Eco-friendly manufacturing with 50% of our manufacturing site’s energy coming from on-site and external renewable sources. 100% recyclable. Our polycarbonate mats lie perfectly flat from delivery and can be used immediately. Lifetime manufacturer limited warranty. Lies instantly flat from delivery for immediate and effective use. No need to wait for the mat to flatten. Compatible with under floor heating systems. Gripper back for use on low to medium pile carpets up to 1/2". ⚠ WARNING: California Proposition 65 Warning. This product can expose you to chemicals including lead, which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www. P65Warnings. ca. gov . Our clear Polycarbonate floor protector will not sink, crack, curl, cup, discolor or smell. The high clarity allows flooring to show through for an attractive and highly effective addition to your office or home environment. Eco-friendly manufacturing with 50% of our manufacturing site’s energy coming from on-site and external renewable sources. 100% recyclable. Free from Phthalates, tin, lead and cadmium. Child and pet safe. GreenGuard Gold Certified. Please note, due to the manufacturing process this product has a +/- 5% size tolerance. All measurements are rounded to the nearest inch. Made from original Floortex polycarbonate - 0. 085 inches thick. Straight edge with rounded corners. Rectangular chair mat 79" x 48". Cleartex Ultimat polycarbonate chair mats are the ultimate in quality and durability in floor protection and ergonomics.