Clear rectangular chairmat with no lip will extend the life of your carpet by spreading out the pressure from your chair casters. It will also reduce fatigue by allowing easier rolling across your work space with less back and leg strain. Designed for use on carpets up to 3/8" thick or less including padding, the studded back achieves a strong grip without piercing or damaging your carpet backing. Smooth edge allows easier rolling on and off of the mat. Clear chairmat lets the beauty of your carpeting show through and is made of heavy-duty material will stand up to years of daily wear and tear.Clear rectangular chairmat with no lip will extend the life of your carpet by spreading out the pressure from your chair casters. It will also reduce fatigue by allowing easier rolling across your work space with less back and leg strain. Designed for use on carpets up to 3/8" thick or less including padding, the studded back achieves a strong grip without piercing or damaging your carpet backing. Smooth edge allows easier rolling on and off of the mat. Clear chairmat lets the beauty of your carpeting show through and is made of heavy-duty material will stand up to years of daily wear and tear.