This lipped shaped chair mat is perfect for office or home use, also can be used in caravans and motorhomesIdeal for protecting carpets from wear and tear, preventing damage to carpets from office chair castors. Suitable for soft floors such as carpets, not for hard floors Frosted effect textured non slip top surface, and comes with spikes on the back to grip the carpet. Made from transparent material, easy to match any carpet, great for disguising worn carpetsEasy to clean and easy to store