Lorell Chairmat, 60 by 66-Inch, Clear L-shape makes it perfect for L-shape desk configurations Studded back keeps the mat in place on a variety of carpet styles Chairmat offers crystal-clear design and optimal protection for your carpet L-shape makes it perfect for L-shape desk configurations Studded back keeps the mat in place on a variety of carpet styles Chair mat offers crystal-clear design and optimal protection for your carpet