7 watercolor pens animal hair hook line pen sketch travel pen adult beginner professional art painting pen art supplies

product information:
Brush: mixed animal hair
Pen tube: chrome-plated copper tube
Pen holder: wooden handle
Features: uniform bristles and good elasticity
Specification: 0#2#4#6#8#10#12# (7 pcs)
Brush maintenance: 1. Open the pen: When using the new pen, soak it in warm water or room temperature water for a few minutes, the water temperature does not exceed 60 degrees, gently twist the pen tip, slowly open the pen bristles from top to bottom, and gently wash the pen tip in clear water , Remove floating hair
 2. Wash the pen: After oily painting, first wash it with turpentine thinner, and then wash it with water. Fly oil painting, wash with water. After washing, straighten the brush hair vertically and place it in a cool place to dry.
3. Preservation: Do not wash the mixed animal hair brush with water over 60 degrees. After washing and drying, it is best to store the pen head vertically downwards, avoid direct sunlight, and keep the environment moist.