Melamine tableware is beautiful. It is a resin formula that is reminiscent of Melmac from the 50s. It is used to make many kitchen utensils and unfortunately it is also registered as a fertilizer in many parts of the world.
We know it causes many health issues. We know its toxicity leaches into foods. We also know that the public is completely unaware of the risks.
What you use as dinnerware matters. It can be a slow, deliberate poisoning that is sanctioned by law. At some point, we hope that social responsibility supersedes law. Until then, you can get familiar with the permissiveness of the FDA and how it is affecting you at the link below.