Squirrel Proof Bird Feeder, Beautiful Elliptical Design With Decorative Satin Nickel Finish & Locking Metal Roof, Integrated Moving Cage Closes All 4 Anyseed Ports With Pressure From Squirrels On The Roof, Wide Mouth Design Offers Easy Fill, Seed Allocated Evenly To All 4 Ports, No More Empty Ports, Unique Adjustable Depth Perches, Holds Over 4.2 LB Of Seed.