It is important to preheat the oven while the mugs are inside. This will help the mugs to gradually heat up and will prevent the ceramic from cracking. After 25 minutes, the paint will be fully set.

Forget Me Not Novelties announces an expanded summer mug collection, including customizable enamel camping mugs, offering ...

Buy white cups or mugs. You can find them in superstores, thrift stores, dollar stores, and online. Pick a Sharpie. For long-lasting results, choose oil-based Sharpie paint markers.