You can easily clean every corner of the tub while standing without bending your waist. Easy to clean by sticks, handy and easy to use.Not only can you use it in the bathtub, but also in places that are hard to reach such as ceilings etc.
Flat type hard brush: Approx. 3.9 inches (10 cm), Corner brush: Approx. 2.4 inches (6 cm), Round brush: Approx. 4.9 inches (12.5 cm).