This sweet little Ant Moat offers protection for your hummingbird feeders. When filled with water, this little cup forms a barrier that keeps ants away from the irresistible nectar of the hummingbird feeders. It has a 1 cup capacity that offers days of protection. Constructed of striking ruby red UV stabilized polycarbonate, the ant moat is durable and long lasting. It is a reliable first line of defense against ants. 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.