This is a Smart Kids Belt. This listing is for one belt only. I purchased a set of two, but only used one. The other one is unused, so I am selling it. It has been stored at home for about a year and a half. I do not have any pets or smoke. - Product Name: Smart Kids Belt - Applicable Weight: 15kg - 36kg - Applicable Age: 3 years old - 12 years old - Included: Instruction manual - Color: Red and Black I will ship the item without the box, including one belt and the instruction manual. (Please contact me if you would like the box as well.)