Cleartex Ultimat polycarbonate chair mats are the ultimate in quality & durability in floor protection & ergonomics. These high clarity chairmats for carpeted flooring are made from Floortex Original polycarbonate, which has double the impact strength of PVC & will not crack, curl, discolor or smell. The perfectly flat & hard surface provides easy glide movement of caster based chairs which can reduce leg fatigue & lower back strain. Ultimat is environmentally safe, free from Phthalates, PVC & toxic chemicals. An ideal choice for people with allergies. Eco-friendly manufacturing with 50% of our manufacturing site's energy coming from on-site & external renewable sources. 100% recyclable. Our polycarbonate mats lie perfectly flat from delivery & can be used immediately.