This Droll Yankee 24" tall x 2.75 diameter, 6 port tube bird feeder is designed for nyjer (thistle) or finch mix. The Clever Clean� design of this finch feeder twists to remove base makes cleaning the bird feeder easy, helping you prevent mold toxins that are hazardous to birds. Port placement also keeps tube open for easy cleaning with a brush. Cap also detaches for ease in cleaning. Comfort perches on this finch feeder with 180 degree two-position ring allows birds to feel comfortable when feeding. 24" long x overall 8" diameter. Droll Yankee Lifetime warranty.