Droll Yankees CC12N Onyx Nyjer Tube Bird Feeder, 12"Highlights: Size: 12" Holds up to two pounds of food Port configuration permits unimpeded seed flow Patented engineering feature locks port in place Twist release base for quick, easy clean out to maintain health of birds Comfort perches with multiple landing areas for numerous species WARNING This product can expose you to chemicals including Bisphenol A (BPA), which is known to the State of California to cause birth defects or other reproductive