Azadx Heavy Duty Office Chair Mat for Carpet 32" x 48" Hard Material Chair Mat for Carpeted Floor Slip Resistant Carpet Protector for Home Office Easy Glide Desk Floor Mat for Office Chair on CarpetsBrand: Azadx Color: Clear Features: Hard Material and Heavy Duty Chair MatThis is a chair mat made of sturdy PET hard material that has been tested to withstand up to 550 pounds of pressure. Compare it with other plastic mats, it won't get soft and the chair wheels won't dent into it. Compared to glass chair mat, it's not as fragile as glass, it won't break so you don't have to worry about shattering all over the place like glass, not to mention