9.8 x 6.7 x 0.7 inches

VALUE PACK : A set of 12 pieces brushes,6 flat brush, 6 sharp brush, 3 sizes (small, medium, large) suitable for kids, students, amateur and artists.
EASY TO USE AND CONTROL : Watercolor Brush Pens simply unscrew the watercolor pens’ barrel to add water or ink. Simply to squeeze the barrel to easily control the ink or water flow. (Note: Please make the water less than 2/3 of the pen’s volume when filling water into the pen).
PREMIUM QUALITY NYLON BRUSH : High quality nylon hair brush tips ensures that the watercolor brush pen stay intact and does not spray, spread, or smear while in use.