This is a steel rear box. It can be attached to the back of a motorcycle. It is 33cm tall, 40cm wide, and 29cm deep. Please note that there may be some error due to amateur measurement. There is no key, and two holes have been made in the bottom by the owner. Mounting screws etc. are also included. Please understand that this is a used item. If you have any questions, please feel free to comment. #pannier case #rear box #square