10-Ounce nectar capacity Sea green antique bottle design and brushed silver accents 4 Feeding ports Made of metal and glass Metal hanger attached for ease of hanging 4 decorative metal feeding ports to accommodate several hummers Green antique Bottle Hummingbird Feeder features a sea green glass bottle with brushed silver accents with 4 decorative flower feeding ports surrounding its base. To attract hummingbirds, users should locate the feeder away from sun and wind. Sun may cause the nectar mixture to turn bad, while wind may swing the feeder around, causing the mixture to spill. Tying a red ribbon on the feeder wire or pole may also help hummingbirds find the feeder, as will adding a water source, such as a birdbath or bird waterer