Premium Quality and Eco-Friendly MaterialThe chair mat size is 55x35 inches. It is made of 100% polyester fibre, white non-woven fabric, and glue layer PE film. 100% recyclable materials to keep your healthy indoor environment. No folding, non-curling, non-fading, odourless, pet friendly, non-toxic. This chair mat is designed for HARD FLOOR only, not for carpet. NOTE: Please tear off the PE film on the back before use. Non-slip & Move SteadilyThe back of chair mat is made of upgraded version adsorbed material, ultra non-slip. So when using it, be sure to tear off the film on the back and stick it firmly on the hard floor to prevent it from bunching up. NOTEThis chair mat can only be used on HARD FLOOR, not on carpet. And the surface is a soft loop-like fabric like a carpet. This kind of material will make the office chair roll steadily on the chair mat and not roll out too fast. Effectively HARD FLOOR ProtectorThe floor mat prevents wear and tear on your wheels or