Protects most carpets. Essential for extra-high pile carpets more than 1" thick including padding. High performance chair mat engineered for intensive usage over 8 hours/200+ lbs. Anchor Bar chairman cleat system holds securely, yet is gentle on carpet and fingers. Beveled-Edge is ramped for a smoother transition on/off mat. High quality, clear mat protects carpet from wear and tear. GREENGUARD Certified for low chemical emissions to UL 2818. Made in the USA. Mfr. Lifetime "No Crack Mat" Limited Warranty.