The integrated design makes the feeder very easy to fill and clean. Hexagonal geometry using raised diamond-shaped ports. We can prevent bees from picking up the feeder, which is more ideal for hummingbirds. Different holes shine in the sun like diamonds, attracting hummingbirds. With a unique filling system, you just need to pour sugar and water to the correct level without external measurement. Sturdy structure , long service life and strong durability.