20 assorted ultra bright colors that let you bring illustrations to life
Fine tips with 0.8 mm line width, ideal to draw and color intricate patterns
Ink formula and nib that provide for an easy coloring
The coloring felt pens easily glides on paper to give you a pleasant and stress-free coloring experience
Bold, vivid water based inks that can convert any pattern into a creative masterpiece

Conforms to ASTM D4236