It’s BPA and Lead-free, microwave & dishwasher-safe, and made of white, durable ceramic in 11-ounce and 15-ounce sizes.

.: These mugs are made with durable white ceramic.
.: Available in two sizes: 11oz (0.33 l) and 15oz (0.44 l)
.: 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.