Copper Hummingbird Feeder Ant Guard by Tip-Top Garden Supply, Made in U.S.A Built from the highest quality materials- Our ant guards are built from the same materials used in home plumbing so they are 100% safe for hummingbirds and consumers Easy to Use; Just add a few drops of vegetable oil to the ant trap and swirl to coat the inside. Then hang your hummingbird feeder from the ant trap Built to last; Our ant guards are made to last years and years; The copper will naturally form a protective layer of oxidation to protect it from degradation Made in U.S.A with a 100% Money Back Guarantee Includes 1 Ant Guard and 3 Cleaning Brushes; Brushes are included to help clean feeder ports and other hard to reach places