Kangovou ceral bowls are ideal for every day use and are top rack dishwasher safe. They make for great travel, storage and/or day to day use. The protective outer cover which are BPA, PVC and phthalate free and keeps heat, cold and condensation away from little hands and furniture. The 18/8 food grade stainless steel insert is Non-toxic and non-leaching and safe for food usage and storage and stain and rust resistant. Kangovou's cereal bowls come with a clear lid for easy visibility and can be used for storage.