Like rollers of brush have a different size, as well as different hair length. They are also soft or hard, artificial and natural. Brush brushes should be suitable for the type of paint. Natural hair is suitable for alkyd and oil paints, if water -based paint, such brushes are not suitable. Natural brushes absorb moisture and cease to be elastic, which is reflected in the result of work. Artificial brushes are suitable for water -based paint. There are combined brushes that can work with any paint.