The Blissful Bird Classic Bird Feeder holds sunflower and mixed seeds. This large tube feeder holds 2.5 pounds of seed and has 4 feeding perches for birds to relax and feed to their heart's content. A premium feeder made from coated steel and a UV stabilized polycarbonate tube, it's made to stand the test of time. The bottom and top parts easily disconnect to make it easy to refill or clean as needed. We recommend cleaning once per month in a 50/50 solution of hot water and white vinegar. Rinse thoroughly and let dry completely before refilling with seed. You can fill with black oil sunflower, safflower, sunflower hearts, mixed seed and much more. The feeder is perfect for the following birds as well as many more: bunting, tanager, redpoll, bluebird, chickadee, titmouse, nuthatch, goldfinch, cardinal, house finch. Meets Wild Bird Feeding Institute (WBFI) quality standards.