I found these markers at Target during back to school season. I have a dry erase calendar that I use for the family. I was using a fine tip dry erase marker but it was still too thick for my small calendar boxes and it tend to bleed or wouldn't fit in the squares perfectly. I found these and gave it a try and love them. They are really a ULTRA Fine tip, and allows me to write on my calendar and make out what was written on it. I am even happier to find them at Walmart but with more colors like pink and purple.