It’s hard to tell whether it contains lead. Generally speaking, for glaze decals, even if it does not contain lead, it contains other heavy metals. We are used to saying how much lead is dissolved... It is detected that ceramics containing lead are harmful to humans, but we did not detect other heavy metals. This does not mean that there are no other heavy metals in the ceramics. Therefore, the master recommends using underglaze ceramic products or white ceramic {without decals}.