The SuperMat Plus features Micropel antimicrobial to provide long-term protection against a broad spectrum of bacterial & fungal attack for the life of the chairmat. Free & Clear non-orthophthalate, non-cadmium material formula promotes a healthy work environment while offering exceptional clarity & durability. Studded design grips the carpet securely & keeps the chairmat from moving. Chairmat is Greenguard Gold certified for low chemical emissions & healthier indoor air. Rectangular chairmat 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