EverLife®  chair mats protect floors from wear and tear, as well as reduce fatigue by allowing you to roll easier. The first chair mat assortment certified for low chemical emissions. Chair mat design to preserve and protect the beauty of laminate, wood, tile and other hard floor surfaces. Straight edge. Light Use mats have a 1-Year Limited Warranty. Heavier Use mats are thicker, ideal for tile, and come with a limited lifetime warranty.