Please define "tagging markers". How do they differ from regular markers, if they do, and what is their purpose?
I have never seen any red markers (I live in the U.S). If your talking about orange markers I just steer clear of those.
copic markers are professional quality markers used by amauters and professionals alike. They give you a nicer quality than your Crayola markers, but are also pretty expensive (about $2 per marker) to quote their website "COPIC is a fast drying, doub...