The 4 hole chicken nest box is constructed from 26 gauge galvalume, an aluminum-zinc alloy coated sheet steel. The inside nest measures 10"X 12". Each hole has plastic door guards. The drop down roost has a 9 gauge rod around it. The wire on the roost is 1" X 1" 14 gauge galvanize metal. The nest box is constructed with rivets. Shipped fully assembled. Just drop in the removable nest bottoms (included).(Light Brahma hen not included) The whole nest box measurements are 20" long X 13" wide X 32" tall. The weight is 20 pounds. 2 metal hooks included for hanging nest box. Handcrafted here on the farm. Georgia, U.S.A. You can see more pictures here> http://henpals.mybisi.com/ You can also contact me if you would like to pick the nest box up and save on shipping. We are in East Central Georgia. Thanks!