The Perky-Pet Clear Square Antique Bottle Glass Hummingbird Feeder features a decorative glass nectar reservoir with a unique square shape that holds 24 fl oz of nectar. Simple embossed glass and a brushed copper base make this feeder an attractive and functional addition to your yard. Hummingbirds will love feeding from the four decorative flower feeding ports. The base easily comes apart and reassembles for easy cleaning. Remember to clean your feeder once every two weeks with a mild soap and water solution.