Do you want to have watercolor pens for your children? Safe and functional, they are light weight and suitable for indoor or outdoor use. Also great for traveling. You can rest assured there are no extra ink in your painting paper. So come and get them! Features -Color:Multi -Material:Plastic -Size:16.00X1.00X1.00cm/6.29X0.39X0.39in -Simply unscrew the stem of the watercolor pens to add water or ink. It's very easy for you to use. -You can draw the finest line or color large lines, blend colors and create shades. They are great help in your drawing. -The will be easy to clean after used. You can fill by yourself to create a watercolor paint effect you want. -These painting pens are very suitable for watercolor painting, oil painting, writing, etc. -The special designs of our watercolor painting can help the amount of water more precisely. Package list: 3 color brush pens