This 9 oz. Melamine Miso Bowl with Lid is made out of 100% melamine, non-toxic, dishwasher safe and National Sanitation Foundation (NSF) approved. Not recommended for microwave or oven use. Their melamine products are break, scratch and heat resistant from 32 to 212 degrees Fahrenheit and 0 to 100 degrees Celsius. A must have for restaurant, cafeteria, healthcare, cruise lines, educational and correctional institutions, buffet, casino, any household, home with little children, senior citizen home, church, commercial or foodservice dinning table.