Squirrel X Squirrel Proof Feeder - 4.2lb capacityBeautiful elliptical design with decorative satin nickel finish and locking metal roof. Integrated moving cage closes all four "any seed" ports with pressure from squirrels on the roof. Squirrels can't get the seed feed birds, not squirrels! Wide mouth design offers easier filling to reduce or eliminate spillage. Seed allocated evenly to all four ports no more empty ports. Unique adjustable depth perches.