Es ROBBINS core line of chair mats have achieved GREENGUARD gold certification for low chemical emissions, making Ever Life chair mats a healthier option contributing to better indoor air quality in your home or workplace. Protects medium pile carpets up to 3/4" thick including padding. Contoured design for l, u and corner workstations. Anchor Bar chair mat cleat system holds securely, yet is gentle on carpet and fingers. All day support for everyday office use. High quality, clear mat protects carpet from wear and tear. GREENGUARD certified for low chemical emissions to ul 2818. Made in the use. Mfr. Lifetime "no crack mat" limited warranty. Beveled edge.