Lightweight, durable performance for moderate use on carpets up to 0.38"" thick. Easy-glide rolling surface provides effortless chair movement. Studded design secures mat from moving while protecting carpet from caster wear, spills and heavy traffic. Free and Clear non-phthalate, non-cadmium formula promotes a healthy work environment while offering exceptional clarity and durability. Smooth beveled edge for easy carpet-to-mat transition. Mat Type: Chair Mat; Application: Low-Pile Carpets Up to 0.38"; Width: 45" Length: 53".