Mine was a hit. So far none of the marker has come off even with a wet cloth.
<blockquote><b>Quoting HamHam:</b>" <blockquote><b>Quoting Mother of One plus One:</b>" <blockquote><b>Quoting ... [snip!] ... though. ETA: seems the BIC markers should work too. This project is so hit or miss for people. Hopefully yours works out well!"</blockquote>