Did you know it takes 4. 5x less effort for an average person to move a chair on carpet when using a chair mat? Chair casters dig deep into carpet restricting chair movement while quickly causing damage to your floor. By using a chair mat, you can protect your carpet while improving your mobility and comfort. Each chair mat for carpet use is designed with a smooth ergonomic rolling surface and easy to handle AnchorBar cleats. No more sharp spikes! This mat features a beveled edge for easy transition on and off of the mat. ES ROBBINS chair mats have no harsh chemical smell and are GREENGUARD Gold Certified for low chemical emissions as well as Phthalate & Cadmium Free. Complete your workspace with an EverLife Chair Mat from ES ROBBINS that is proudly Made in USA. "No Crack Mat" .