Letraset Metallic Marker, Twin-Tip, 6-Pack Package of 6 twin-tipped metallic markers that handle and perform like watercolor paints Colors provide rich and saturated hues and superior light fastness, and can be easily blended with water Twin tips offer a medium nib for a softer art surface feel and the fine tip can be used for more detailed work Non-toxic and conforms to ASTM D4236