Little Giant 163620 Single Chicken Nesting Box, 3 Gal. CapacityBetter than metal nests, and costs less! The Little Giant Single Nesting Box is made of high density, impact resistant polyethylene that will not rust, rot, or corrode. The plastic surface is easy to keep clean and does not get as cold as metal. Amply sized, hen friendly design features an entrance perch and ventilation holes for fresh air. The box floor is lower than the entrance, which helps prevent loss of bedding. Sloped roof prevents roosting.