The Upside-Down Thistle Domed Bird Feeder is an 18"" plastic tube with 6 comfortable feeding stations for the birds to feast from in your backyard. Anti-House Finch design protects goldfinches. Covered with an air tight yellow dome cap for weather resistance, this tube will readily hang securely from its heavy duty hanging bail. Just fill and hang in a matter of seconds. Watch with amusement as the birds hang upside-down to eat the seed. Holds 2 lbs. of thistle or finch seed. The feeder empties completely, leaving no dirty residue behind.