Easy to fill bird feed and easy to clean, can be filled with any type of seed. Holds approximately 1 cup , capacity will vary depending on the type of seed you use. Birds can eat from the rim or hop inside during bad weather. Fly-through design allows for easy access for a cardinal, finch, or other small birds to feed or perch. feeder with a hanging wire so you can easily hang the feeder outside to brighten up your backyard, patio, lawn, deck, or balcony. Each feeder is made with a powder coated metal and comes with it's own inspirational hang tag.