This classy, durable tube bird feeder will give you hours and years of bird watching pleasure. The Perky-Pet Deluxe Seed Silo has 4 rust proof feeding ports with perches for resistance to inclement weather. Besides the metal ports, it also boasts a metal cap. This sturdy, innovative feeder holds 2 lbs. of seed. Remember to clean your finch feeder once every two weeks with a mild soap and water solution.