Attract birds like a magnet with these ready made nests. Crafted of birdfriendly natural sea grass, they"ll keep feathered friends cozy & comfy while protecting them from critters & changes in the weather. The perfect place to watch as bird families grow from eggs to chicks to beautiful healthy adult birds. Exciting & educational fun for the whole family. Each is about 10" high x 4" dia. Hangers included.