Perky-Pet 120TFN Push Pull Top-Fill 16-ounce Magnolia Plastic Hummingbird Feeder with Nectar Patent-pending Push-Pull technology for effortless refilling - just push, pour, then pull-and-lock Easy to fill wide mouth top and an advanced "sports bottle" like function to facilitate replenishing the nectar Clear plastic reservoir makes it easy to monitor nectar levels in this 16 oz. hummingbird feeder Includs Pekry-Pet 5.3 oz Instant High Energy Nectar. This specially blended hummingbird feeder nectar makes 32 ounces of nectar, is easy to use, requires no boiling and stays fresh longer The top fill hummingbird feeder lure the bird in pursuit of sweet nectar-providing you with hours of joy as beautiful Hummingbirds flock to your feeders