Holds up to 11.5lbs of mixed seed. High volume seed consumers buy larger capacity feeders. Triple bin holds up to 3 types of seed to attract different species of birds. Six perches for big parties. Removable roof for easy filling. 3 in 1 mounting (hang or mount on post or pole). Made of heavy-duty, rust-resistant galvanized steel. High-quality powder-coated finish is rust-resistant.