These little guys are AMAZING. Pictures, transparencies, ghost shapes. They write on it all. AND DON'T SMEAR! I love them. Next to the precision pen, my FAVORITE pen!
As always slick writers are great, I got them to use in my Cricut Explore.
I have at least one in every color I have been able to find. I have used these for everything. They will write on everything I have tried. I even ended up using them in my daughter's baby book because it had shiny pages and everything else smeared. These are great pens. Everyone should have at least 3 or 4 in their stash.