Handmade, ceramic. Food, microwave and dishwasher safe. Thrown on my wheel, underglazed and embellished. Gray glaze inside. Much went in to this beautiful bowl If you see a design you would like more of, please reach out to me by text or call. 818 402-4811. I am happy to make more!! Please know these are all handmade, and creating and firing at different times leads to unique pieces. No 2 items are exactly the same.