Organize and decorate with this 2 tier wall shelf that would add style and function to your industrial-themed home space. This item ships in 1 carton. Shelves attach to wall via screws.. Can be hung horizontally using the keyholes on the back; nails and screws not included. Suitable for indoor use only. This item ships fully assembled in one piece. Maximum weight limit is 20 lbs. This brown colored floating shelf comes as a set of 2. Metal wall shelf features 4 shelves. Industrial style.