At my office my desk chair was located near my desk but had to be pushed backward forcibly due to overlapping carpets. I was manually lifting the chair. So we went to Staples to shop for a plastic mat. A very helpful sales person found us the perfect size and solution. Now my chair moves smoothly. I recommend the use of this product. Thank you Staples!
The mat is satisfactory. However the thickness is insufficient to prevent chair wheel depressions in the mat after sitting too long before moving the chair.