Perky-Pet 447-12 Round 10-Ounce Glass Hummingbird Feeder Features a durable, tempered clear glass nectar container, 2 bee-resistant feeding ports, and a 10 oz. nectar capacity Clear glass reservoir makes it easy to monitor nectar levels and unscrews easily from the feeder base for quick cleaning and filling Lure the bird in pursuit of sweet nectar-providing you with hours of joy as beautiful Hummingbirds flock to your feeder