Droll Yankees Bird Feeder, Window Bird Feeder Dish with Suction Cups, Tweet Spot TS-W, 1/2 Cup Capacity, Light Blue WINDOW FEEDER: Two suction cups adhere the feeder to a window, allowing you to easily watch birds feeding CAPACITY: Measures 4.5 inches across and holds up to a 1/2 cup of water, fruit, jelly, or mealworms DURABLE FOR OUTDOOR USE: UV-Stabilized polycarbonate is meant for extended outdoor use and is dependably tough ATTRACTS GROUND FEEDERS: Platform dish works to attracts ground feeding birds like cardinals and song birds WARRANTY: Backed by Droll Yankees Lifetime Warranty against squirrel damage