●(Good Quality) Carefully handmade, this brush is not easy to shed, and thick brushes ●Main bristles of brush: Bender ●[Thick brush size] Head diameter 0.4 inches (11 mm), brush length 1.8 inches (45 mm), fine brush size: 0.2 inches (5 mm), tip length 0.8 inches (20 mm) ●[Uses] Thick brush: For block books and book works, fine brushes: for fine writing practice, addressing, colored paper, shorts, and copying sutrals ●(Safe Quality Assurance): If there are any problems after the trial, please contact us via Amazon message. Full refund without return