As chair is an essential thing in our lifetime using long time is obvious to create unsightly damage or a potential hazard. The Chair Mat protects your carpet reducing stress caused by swivelling and wheeling. With grippers on the back side of the mat it is an optimize choice for carpet resists scuffs and scratches. An easy solution to protect your floors grab a chair mat for your floors. Key features Indentation free Premium PVC material 5mm thickness Suitable for carpeted surfaces Home or office use Note: 1. Chair mat with grippers is using for carpet mat please do not use on wooden floor. 2. Flatten the mat by putting some non-sharp heavy objects on top as it packaged in a roll up shape. 3. If it's still unflattened please run it with hot water and let it cool down then pull it outwards to flatten it.