4 in 1 Multi Scrubbing Brush with Extendable HandleMAIN FEATURES There are four different cup cleaning heads designed for cups in different situations. One U shaped silicone cup mouthwash, each having 360 degree single rotations for different areas.. two twisted wire gap brushes. three right angle ball brushes. and four firm bristle corner brushes. With its own hanging hole, it is very easy to store and takes up little space. Extensible handle and one button extension, even the deepest cup can feel