The Perky-Pet Square Antique-Glass Hummingbird Feeder attracts hummingbirds to your yard with an enticing warm glow of sunlight through the red glass. This vintage-look bird feeder from Perky-Pet has a brushed copper base and 4 flower feeding ports. An attached loop allows easy hanging from a tree or pole. The Perky-Pet Square Antique-Glass Hummingbird Feeder holds 24 oz. of nectar. Cancer and Reproductive Harm- www.P65Warnings.ca.gov. Type: Bird Feeders.