My last duck just quacked up, 11 OZ ceramic mug. 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. .White ceramic .: 11 oz (0.33 l) .: Rounded corners .: C-handle .: Lead and BPA-free