The Green Plastic Seed Tube Bird Feeder 15 in. by Audubon is a durable tube feeder that features six seed ports for multiple bird feeding. Each solid perch is made of powder green metal and the tube is made of UV resistant clear plastic. Feeder holds two pounds of bird seed and may be hung or mounted on a post. Makes the ideal feeder for Finches, Nuthatches, and Chickadees.