Effective Nyjer feeding with flair Buntings and Goldfinch flock to this BirdsChoice mesh feeder–and so will many other Nyjer lovers! Clear acrylic roof and tray have scalloped design. Birds can cling everywhere on the rust-proof mesh hopper or use the six steel perches. Built to keep the seed flowing and dry. Holds 4 lbs. 10 inch hanger. 12 x 12 inches.