This Everlife Big and Tall Chairmat facilitates desk chair movement while protecting floors from wear and tear. This is a high performance chairmat for intensive use, such as with Big & Tall chairs. This rectangular chairmat has a solid pattern and straight edges. The smooth backing makes it ideal for hard floors, but it is also essential for extra high pile carpet more than 1'' thick including padding. Features AnchorBar chairmat cleats. Comes with limited lifetime ''No Crack Mat'' warranty.