Placoot Office Chair Mat for Hardwood Floor, 55"x35" Computer Chair Rug, Under Desk Mat, Large Anti-Slip Floor Protector for Home OfficeBrand: Placoot Color: Black Features: HARD FLOOR OnlyThe chair mat size is 55x35 inches. 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. Anti slip stabilityThe back of chair mat is made of upgraded adsorption material, which is super anti slip. So when using, be sure to tear off the film on the back and