ES Robbins Rectangle Vinyl Chair Mat for Extra-High Pile Carpet, 46-Inch by 60-Inch, Clear GREENGUARD Certified for low chemical emissions to UL 2826 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 AnchorBar chairmat cleat system holds securely, yet is gentle on carpet and fingers Made in the USA; Mfr. Limited Lifetime "No Crack Mat" Warranty