Droll Yankees Aqua Bird Lovers Sunflower Songbird Tube Feeders feature durable plastic parts-base, top and perches are a vibrant aqua. The metal bail wire lets you hang your feeder from a branch or a hook. Clear UV stabilized polycarbonate tube allows you to visualize seed levels at all times and won't yellow. The threaded base will fit any Droll Yankees accessory. Each tube constructed with feeding ports with perches. Drainage holes on the tube let water drain out and air to flow through the feeder - keeping your seed fresher longer. An angled baffle inside the tube directs seeds toward the ports to allow birds to get every last seed. Droll Yankees's feeders are great for both adults and children.