7 x 3.4 x 0.6 inches

【New combination suit】Set of 3 point tip brush pens and set of 3 flat tip brush pens (small, medium, large) suitable for art students, amateur and professional artists
【Easy to use】Simply unscrew the watercolor pens’ barrel to add water or ink. Easy to control the ink or water flow through the watercoloring brush tip. Easy to clean with less mess, well crafted, perfect for all water coloring needs.(Note: Please make the water less than 2/3 of the pen’s volume when filling water into the pen)
【Wide Application】Multipurpose watercolor pen is a hollow plastic pen that can be used to warm the pen tip,Can be used for solid colors or powdered pigment, use with aquash watercolor crayons, markers, and pencils to spread and smooth colors