This hand-made slab platter is decorated with a black underglaze on a white stoneware clay body and then dipped in a clear crackle glaze. I make the forms of our pieces and Tina decorates them. This plate is 9 1\/4" square and about 1 " tall. Our work is both funcitonal and decorative and is also dishwasher and microwave safe. Thank you for taking the time to look at this piece.