The SuperMat chair mat is a versatile choice for frequent use on carpets up to 1/2" thick & is well-suited for a variety of commercial & home office applications. Easy-glide rolling surface provides smooth chair movement to help minimize stress & strain on users back, legs & feet. Bottom studs grip the carpet securely & keeps the chair mat from moving. Deflectos Free & Clear non-orthophthalate, non-cadmium formula promotes a healthy work environment. Rolled Packed. Mat Type: Chair Mat; Application: Carpeted Floors; Width: 45"; Length: 53".