Material:100% polypropylene fiber Feather?? 1.??Professional Protective Mat??The chair mat is made of polypropylene fiber material that is free from toxic chemicals and odorlesschild and pet safe.The material has strong shock resistance and little possibility of break.The unique surface texture allows your office chair casters to move easily while carrying out daily tasksso the chair doesn't skid around. 2.??Dual Non-Slip??Slightly coated underside prevents mat from slippingfirmly fixed to the ground.The adhesive layer consists of water-based gel materialif there is a small adhesive residue on your floorjust cover it with a damp cloth for 5 minutes and the gum will dissolve in water. 3.??Protect The Floor??Our chair mat rectangular shape for under-desk coveragedesigned for use on all hard floor surfacesbut don't recommended for carpets.It will protect your floor against damages caused by chair castersheavy furniture or possible sharp objects. 4.??Anti Noise??The transparent chair pad is waterproof and dirt-repellentstains can be easily cleaned with just clear water.The unique surface texture allows your office chair casters to move easily and helps reduce noise from casters to keep work areas free of distraction