Extend the life of your flat pile commercial carpet (up to 1/8" thick including padding depth) by protecting against chair caster wear and tear. The perfect addition to your workspace, this chair mat provides 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 fingers (no sharp spikes). This chair mat is 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.