Ceramic Soup Bowl dinnerware are food safe. Craft: Ceramic product care: avoid scratching with hard bristled brushes. dishwasher safe in mild cycle. microwave/induction safe. not suitable for direct burner. only use indirect sources of heat. do not put it in pre-heated oven/microwave do not freeze at high freezing temperature. slight and minor color change could be noticed as each product is individually made by hand. Flash used in the shoot and difference in screen resolutions could also be a reason. Made from products are free from other additives that make it an choice for serving in your kitchen