Bottle and cup cleaning: Ideal for cleaning narrow-neck bottles, sports bottles, and wine decanters. Vase and glassware cleaning: The flexible wand can be shaped to clean inside vases, goblets, and coffee glasses without damage. Baby bottle cleaning: Suitable for cleaning the inside of baby bottles due to the soft sponge material. Hard-to-reach areas: The long, flexible handle makes it easier to scrub the bottom and sides of various jars and bottles.