The SuperMat Plus features Micropel antimicrobial to provide longterm protection against a broad spectrum of bacterial and fungal attack for the life of the chairmat Free and Clear nonorthophthalate, noncadmium material formula promotes a healthy work environment while offering exceptional clarity and durability Studded design grips the carpet securely and keeps the chairmat from moving Chairmat is Greenguard Gold certified for low chemical emissions and healthier indoor air Rectangular chairmat is a versatile choice for frequent use on carpets up to 12 thick and is wellsuited for a variety of commercial and home office applications