More Birds SureFill Mixed Seed Song Bird FeederThe best feeders should be easy to clean, easy to fill, and versatile. This feeder does all that and more! The SureFill Mixed Seed Bird Feeder is a tube style feeder with four feeding ports, designed to keep seed at all the ports even when the seed gets low. It also features a spring loaded flip top that enables the feeder to be opened and closed with the push of a button so you can leave the feeder hanging for easy filling. 1. 5 pound seed capacity 4