Perky Pet Top Fill Aster Hummingbird Feeder 16 oz. (122TF) is a charming bird feeder that's specially made for hummingbirds. It features a convenient wide mouth opening and a Push-Pull technology that lets you refill it easily with these quick steps: push, pour, pull and lock. It's made of high-quality plastic with an advanced sports bottle function. It has a red base and cap with 4 trumpet shaped yellow aster drinking stations and perches so they can rest comfortably. This feeder has a 16-ounce capacity to provide a generous amount of nectar to your feathered friends. It also has a convenient design that lets you clean and refill it easily. Get one now to attract your favorite birds into your garden.