Cleartex Ultimat polycarbonate chair mat is the ultimate in quality & durability in floor protection & ergonomics. This high clarity chairmat for carpeted flooring is 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 free from phthalates, PVC & toxic chemicals. An ideal choice for people with allergies. Fifty percent of our manufacturing site's energy comes from on-site & external renewable sources. 100% recyclable. Our polycarbonate mats lie perfectly flat from delivery & can be used immediately. Mat Type: Chair Mat; Application: Low / Medium Pile Carpets up to 0.5"; Width: 48"; Length: 53".