Audubon Bird feeders have gone green! All the quality you expect from Audubon, combined with a new eco friendly design. This bird feeder is made from 90% recycled plastic and is 100% recyclable. Since the feeder is made from recycled plastics, it will not absorb water and prevents the growth of mold and bacteria. Tube feeders will attract Northern Cardinals, White-breasted Nuthatches and American Goldfinches among many other birds. The tube feeder measures 18"H.