Introductions: The PVC Dull Polish Chairmat  Protection Floor Mat is made of thick PVC that measures 0.15cm in  height, designed to offer a protection solution for hard floor and  carpet tiles. Soft yet lasting material protects flooring against harsh  scuffs and scratches that desk chair can cause. Since it is clear, it  will complement any decor of your home or office. Dull polish makes the  scuffing less visible. Smooth surface allows your desk chair to glide  easily over the mat. 1. Made of thick PVC, measure 1.5mm in height 2. Offer a protection solution for hard floor and carpet tiles 3. Protect flooring against harsh scuffs and scratches caused by desk chair 4. Clear design will complement any decor of your home or office 5. Dull polish makes the scuffing less visible 6. Smooth surface allows your desk chair to glide easily over the mat 6.  This mat is smooth on one side and grinding on the other. When your  floor is smooth, please use the grinding side facing down. If your floor  has texture, please use the smooth side facing down 7. Because of  long-term transportation and weather changes, the mat is irregular when  it is just taken out. Please iron it with boiled water, and then put the  mat down and press it with heavy objects for 3-5 days. The mat will be  smooth Package Includes: 1 x Floor Mat Used Machine