The geometric design features a large square structure holding the main circular section which holds the shelves.. This item ships in 1 carton. Can be hung horizontally using the sawtooths 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 15 lbs. This is a single black colored floating shelf. Iron wall shelf features 3 shelves. Contemporary style.