If you use chalk, you HAVE TO SEAL THEM. You cannot just bake the chalk, it will come off. I seal mine with Patricia Nimock and they don't fully absorb water, but they work great. There may be little drops, but they dry fast and I have no issues with mine. I've been using mine for over a year and the scans in the gallery were just done last week. They haven't lost their luster and they are used every day.[/b]
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