PERFECT FOR HARD FLOORS: Protect your flooring from scratches and dust of any kind with this perfect office floor mat for hardwood floors, tile, laminate, vinyl, concrete, and linoleum. The office chair mat is designed for Hard Floors only. SAFE FOR YOUR HOME: The chair mat is Odorless, no BPA; phthalate and does not contain volatile odor for a healthy indoor environment. It is 100% pure polyethylene chair mat. Rest assured you are buying a safe option for your home or office. EFFORTLESS ROLL STABLE GRIP: The unique surface texture allows your office chair casters to move easily while carrying out daily tasks, but has enough grip to maintain controlled rolling so the chair doesn't skid around. Ease of rolling between tasks promotes ergonomic posture and helps to considerably reduce the risk of physical fatigue.