WASJOYE Office Chair Mat for Carpet,36x48in Clear Home Carpet Chair Mat Protector Cover with Non-Slip Studded for Computer Desk Rolling Chair, TransparentBrand: WASJOYE Color: Transparent Features: No More Marks On Carpet: Chair mat thickness: 0. 09 inche, 3mm long teeth make it suitable for low pile carpet, office chair mat can prevent the wear and tear of carpet caused by office chair casters, and also protect carpet from damage caused by sharp objects Non Toxic Safe Material: This office chair mat for carpet is made of PVC, does not contain BPA, phthalates and volatile toxins banned in children's