Includes 1/2 outdoor hummingbird nectar feeders. Holds up to 16 oz of nectar -8 feeding ports satisfy multiple hungry hummingbirds at once Tray-style circular perch lets birds feed from all angles.$The base is brilliantly designed with tiny feeding ports that prevent bees from getting into the inner part of the feeder and clogging it up$The hollow in the top of the feeder is filled with water, preventing ants from crawling in.$Built with hermetic screw-in seal. Fill with nectar, screw the base on, and turn right side up. the feeder will not leak while upside down. The seal prevents rainwater from contaminating the nectar.$No tools required. Reservoir and base are of hard plastic. Clear for monitoring nectar levels, wide mouth for easy filling and hand-washing, and 2-part base for fast cleaning.