I found on another board that the right Sharpies to use were "paint sharpies" . I could not find that at my local craft store. I did try this- regular sharpie, 350 degrees one hour. Washes right off! I tried it both immediately and waiting 24 hours for it to dry. Didn't work.
Happy Houses Ceramic Mug by Badgers Badgers
sharpie mug 3
How to make a Sharpie Mug
Taza "Skyline Zaragoza". Porque para ti Zaragoza es EMOCIÓN, porque te gusta pasear por la Plaza del Pilar y contemplar la Seo, porque disfrutas la zona de la Expo y su Torre del Agua.
Stockholm Cityscape Print
Scandinavian Dutch Amsterdam, Colorful 5 x 7 Illustration Art Giclee Print for Wall and Home Decor, red, green, blue, orange, yellow
Stockholm Art Prints, Wall Art, Canvas Prints | FreeArt