Lightweight bottle cleaning brush set designed for travel and everyday use. The brush is light enough to carry during outdoor activities, and the tip can be detached for long-lasting reuse. It cleans without damaging cups and bottles, helping keep surfaces smooth. The hanging design with a tail hook provides easy storage, making this a versatile, multifunction cleaning tool for bottles and cups. Key features - Lightweight and portable for on-the-go cleaning - Detachable tip for long-term reuse and easy maintenance - Gentle scrub action that prevents damage to cups and bottles while keeping surfaces smooth - Hanging hook for convenient storage; multifunction cleaning brush Use scenarios - After gym or outdoor activities to refresh and clean water bottles - In the kitchen or office to clean travel mugs and cups without scratching finishes - During camping or commuting to maintain clean bottles on the go