Ideal for creating posters, displays or other types of signs. With a 5/8" nib this marker holds just the right amount of ink to give a thick, dark line that can be seen close or from a distance. Each pack includes one marker each of three colors: Red, Blue and Green. Permanent ink. Non-toxic and conforms to ASTM D-4236. Sold as 3 packs for a total of 9 markers.