This is a FURminator undercoat deShedding tool. It is an authentic product. For medium to large cats, long-haired cats. I have used it a few times, but it is in relatively good condition. Please understand that this is a used item and has been stored at home before purchasing. - Brand: FURminator - Model: Undercoat deShedding Tool - Size: L, for cats over 4.5kg (medium to large cats, long-haired cats) - Features: FURjector button to easily release hair