Droll Yankees 4 Port Sunflower/Mixed Seed Tube Bird Feeder with Removable Base. Made of durable polycarbonate with a clear finish, it has a removable base for easy cleaning. The easy-open top allows you to fill the feeder without removing it from the hook or tree, and the hanger can be lowered when not in use. The removable tray provides the option of no tray. 18" Tube, 2.75" Diameter.