Double-sided brush design: The cup brush is a double-sided brush design that can be rotated 360 degrees. The big brush cleans the inside of the cup and the small brush cleans the outside of the cup. Easy to place: The bottom of the brush is three suction cups. The window cleaning brush can be attached to the wall, workbench or sink. Removable and easy to clean: The creative rotating brush can be removed and cleaned. Easy to store, takes up no space Wide range of use: Product dimensions: 17.5 x 14 cm (not suitable for longer glasses), eg baby bottles, bottles sports glasses, wine glasses, coffee mugs, etc. Product Description Two brush head design can simultaneously clean interior and exterior. ‘glass exterior. The bottom three suction cups can firmly fix the suction cups on the sink for easy cleaning. The detachable brush head is easy to clean, easy to store, and does not take up space. Different types of mugs can be cleaned, e.g. baby bottles, sports bottles, beer bottles, wine