Made with a polycarbonate tube that will not crack, haze or yellow, this 21in.L x 4 3/4in.dia. Droll Yankees bird feeder is made bird-safe thanks to the 4 weight-sensitive perches that are designed to attract cardinals, but repel anything that is too heavy, such as squirrels or grackles. U.S.A. Metal powder-coated cap and base fit snugly on tube Interior baffle design guides seed to the 4 four feed ports Holds 5 lbs. of seed