Cleartex Unomat Anti-slip Polycarbonate Chair Mat offers double the impact strength of PVC and will not crack, curl, discolor or smell. High-clarity chair mat is made from Floortex Original polycarbonate. Unomat polycarbonate is environmentally safe, free from phthalates and PVC so it is an ideal choice for people with allergies. Included pack of anti-slip acrylic pads ensures excellent stability on high gloss and polished hard floors. Chairmat is also ideal for very low-pile carpets and carpet tiles. The perfectly flat and hard surface provides easy-glide movement of caster-based chairs that can reduce leg fatigue and lower back strain. Chair mat is eco-friendly with 50 percent of the manufacturing site's energy coming from onsite and external renewable sources. It lies perfectly flat from delivery and can be used immediately.