Crayola Wonder Marker is a classic tool for Arts and Crafts, best for school projects and more. Ideal for drawing and writing, Crayola Wonder Marker has a 2.5mm fine line tip, offers firm and continuous strokes. Nothing to worry in coloring intricate details and creating crisp, thin lines. Crayola Wonder Markers 20 colors are bright and bold, washable marker, safe and non-toxic for your worry-free and fun coloring experience.