For high use areas that require a heavy-duty chairmat. Features Transparent workstation mat Protects plush carpet up to 1" thick with padding Crystal Edge creates smooth, effortless roll on/off mat High clarity-allows the beauty of your floor to show through Exclusive AnchorBar cleat system makes chairmats less dangerous to handle Using a series of staggered, perpendicular bars, the cleat system anchors the mat as securely without damage to carpet