Provides a dry, clean and dark area for hens to lay eggs. Space-saving modular layout can mount vertically or side by side. Easy to mount and remove for cleaning. Mounts securely on wall with slide- type screw holes. Made of high-density, impact resistant polyethylene that is easy to keep clean and will not rust, rot, or corrode. Perch gives hens a place to land before entering nest. Perch is pre-installed and secured for shipping – simply flips down into place for use by the end customer. Compared to metal units this nesting box does not get as cold in winter months and is less expensive. Made in the USA