Easy to Clean : With round and flat dish design, this clear and wide -mouth saucer hummingbird feeders is easy to clean. The bottom of the feeder is clear, so it is easy to monitor levels and cleanliness. ^Easy to Fill: there is just only one step: lift off the red cover of hummingbird feeder and fill the nectar or water. ^With Nectar Guard: Add water into the centered hole, the nectar can be well protected. ^Leak-Proof: Unlike cylinder feeders, our feeder do not exit pressure difference, so this hummingbird feeders for outdoors leak-proof. Do not need to turn it upside down, no submerged joints to leak. ^Important Notice: The materials of the base are sturdy. it is advised to clean this saucer feeder at least once a week. If the weather is warm, you can clean the feeder more frequently.