Extend the life of your medium pile carpet by protecting against chair caster wear and tear. The perfect addition to your workspace, EverLife chair mats provide a smooth surface that enhances ergonomic comfort by allowing your rolling office chair to move freely. Easy to handle, this chair mat features rounded AnchorBar cleats (studs) that hold your mat in place and are gentle on carpets and hands (no sharp spikes). EverLife chair mats are made with durable vinyl that is GREENGUARD Gold Certified for low chemical emissions to promote a healthier workspace. Designed for use on carpeted surfaces only, do not use on hard floors. Mat Type: Chair Mat; Application: Medium Pile Carpets up to 0.75" thick (including padding); Width: 36"; Length: 48".