Fibrepens which create a 0.5 mm to 6 mm paintbrush stroke. Ideal for calligraphy, lettering and painting with different strokes and mixing colors. 6 fluorescent colors: yellow, orange, pink, violet, green and blue. Flexible nylon tip. Water-based paint which creates bright, easily-applied colors that can be mixed together. It can be easily washed out of most fabrics (soak the item in cold water for an hour and then machine-wash on a cold setting). With a perforated safety cap. Includes inner tray.