Have just a few hens? Then this nest is for you. Made of rugged polypropylene, this nest can be mounted almost anywhere. It has a sloped roof to prevent hens from perching on top, ventilation holes for fresh air, and it is easy to clean. It will never rust. The only assembly required is to mount the perch. Inside dimensions are 20” H x 12” W x 10 1/2” deep. One nest will be enough nesting space for each 5 to 6 hens.