This ring pull forest green sunflower feeder is easy to clean! Give songbirds just what they need: fresh food from a clean, hygienic feeder. No tools needed - simply lift the cap, and then pull the metal rod to remove ports and feeder base in just seconds! Rust proof metal parts with a polycarbonate tube. 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 harm. For more information go to www.P65Warnings.ca.gov.