With Greenguard Gold Certification for low chemical emissions, Everlife chairmat offers a healthier option contributing to better indoor air quality in your home or workplace. The most effective way to reduce indoor air pollution is to reduce or eliminate the sources of harmful chemical emissions. Use this chairmat to protect extra high-pile carpets more than 1" thick including padding, from wear and tear. Chairmat provides all-day support for everyday office use. Choose a higher pile chairmat if usage is more than 8 hours or more than 200 lb. AnchorBar 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 is Greenguard Certified for low chemical emissions to UL 2818.