The Tom Chamber Nyjer Tower Feeder is made with a tough plastic tube with a domed base to prevent a build up of food. The tower feeder hook can be screwed into any tower feeder, creating an additional hanging point. The wide tube provides extra space for food, with an easy fill slide up lid. The Nyjer Tower Feeder is easy to clean with an easily unclipping base. The contemporary design is guaranteed to look fantastic in any garden.