Strong + Courageous Coffee Mug Joshua 1:9 Warm-up with a nice cuppa out of this customized ceramic coffee mug. It’s BPA and Lead-free, microwave & dishwasher-safe, and made of white, durable ceramic in 11-ounce size. .: One size: 11oz (0.33 l) .: These mugs are made with durable white ceramic so that your prints can stand out. .: All mugs feature a comfortable C-handle and a shiny finish so that they're both easy to use and great to look at. .: Drink confidently on a daily basis as all mugs are lead and BPA-free.