Droll Yankees YCPD90 Dipper Squirrel Proof Bird Feeder BIRD SEED CAPACITY: Tube bird feeder holds up to a five pounds of bird seed FEEDING PERCHES: Four weight-sensitive feeding perches calibrated specifically for small birds DURABILITY: The base and cap are made of a powder-coated metal, while the UV-stabilized polycarbonate tube is fade proof EFFICIENT DESIGN: The internal baffle disperses seed evenly to all ports SQUIRREL PROOF: The four perches are designed to collapse under the weight of a squirrel, but not under the weight of a bird