More Birds Hummingbird Feeder Foam Sponge Cleaning Kit is designed to make cleaning your hummingbird feeders easy and effective. This kit includes a foam sponge that is for reaching small crevices and cleaning bottles with both small and large openings. It works well with glass or plastic bottles, ensuring versatility for different feeder types. Additionally, a portal brush is included to help maintain the cleanliness and longevity of your feeders, making it an essential tool for any hummingbird enthusiast. Model Number: