Add style and functionality to your workspace with the addition of and innovative InvisiMat chair mat. Crafted of thick tempered glass, its high-tech construction is virtually unbreakable and can withstand thousands of pounds of pressure. A beveled edge makes it easy to roll on and off while its crystal-clear design is nearly invisible. This modern office accessory is a must-have for desks anywhere in the home and works with all floor types including hardwoods and carpet. It s truly the last chair mat you ll ever need.