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The coloring brushes are mainly made of wool, and can be used for coloring paints and for a wide range of designs, watercolors, etc. This is the perfect product for school education.
The bristles are made of traditional animal hair (animal hair) and nylon chemical fibers. Animal hair is also used for different purposes.
Heavy and sticky oil paintings are suitable for thick and hard hair, and watercolor has good paint content and is preferred.
Cleaning after use is essential for long lasting brushes. Especially if the paint accumulated at the root of the hair, it will not only get poorly used but also shed hair, and it will not be used as a brush.

(From Amazon.co.jp)