3 in 1 multi-purpose cleaning brush, small and easy to store and does not take up much space for travel and office use. 

 This long-handled brush makes it easy to clean all bottles, including hard-to-reach corners and bottoms. 

 Not too hard or soft, perfect for water bottles and glass bottles, suitable for all cups, water bottles, milk bottles as well. 

 Hole at the end of the handle, convenient for hanging, good helper for home cleaning.