Memory Plastic Chair Mat: This chair mat is made from special hard material, can return to its flat state from any folding or bending. This floor mat is similar to glass mat, but it's lighter in weight, which can withstand 1200 lb of pressure. Warning: Do not use this product on carpets, it may cause damage to the product. Frosted Top Surface: The bottom of the mat is covered with a layer of film, please tear the film off before use. The frosted finish resistant to abrasion and scratches. It's hard to see scratches on the top in daily use. Even after a long period of use, its surfaces will look as good as a new. 4 Non-slip Stickers: Comes with 4 glue-free anti-slip stickers. Instead of relying on glue for slip resistance, they use frictional force generated by close molecular adhesion. They can provide a maximum lateral force of 600N, ensuring the floor mat won't move in daily use. When peeled off, they won't damage the floor. Plus, they can be reused after