These charming Blown Glass Sphere Hummingbird Feeders by Gardman instantly add character to your hummingbird feeder collection. Made of hand blown glass, this feeders have a single red feeder port and hold 12 ounces of nectar. Fill with nectar to the top, leaving no air inside. Hummingbirds can easily feed from the redesigned port. Feeder comes with a coated wire hanging hook. Easy to fill and hang.