La description

Comply with United states FDA standard and SGS safety inspection as well as QS certification domestic.

material:**0%melamine
cold and hot temperature:******0℃

This black and red series is called twins color, the sales approach spread in United states,Asia,Japan

Sure, melamine itself is a kind of break resistant material, they have many advantages thatceramicdoesn't. The most worth buying is their working life(not easily break),they are comfortable in weight, easy to clean and machine washable, the material transmits heat slower that keeps the food temperature longer. But should notice  that they will get coloration and embrittlement in the micro-wave oven.                                                        

More details, please feel free send us an inquiry if you are interested in our products.