The Droll Yankees Bottoms Up Bird Lovers Finch Feeder - 23 in. (BLBUF23), a creatively designed bird feeder that features small sized holes that holds two (2) pounds of seed. Its cap and base are made with UV- stabilized plastic, sturdy ABS. It has a cap that lifts off pretty easy for re-filling and for thorough cleaning too. Features seed tube that will not degrade in the sunlight. While goldfinches need to feed upside-down, house finches won't need to. The seed sloped base will give other predators difficulty in reaching for seeds but it's easy for your birds to reach into it.