Microwave, Dishwasher and Planet Earth Safe. Our kid's dinner set uses of the same revolutionary material as our compostable dinnerware; it is just thicker and processed for increased durability. The result is a beautiful, non-toxic and sustainable dinner set that your kids can use, reuse, and abuse. What’s more when you are done with it, it won’t break down into micro plastics, helping your kids live longer and everyone else’s too.