Microwave oven dedicated tableware what indicators, why do you want to specify? If use other tableware has what effect?
Common plastic also can not be used in the microwave oven, because it may be high temperature melt or high-temperature produce toxic or harmful substances pollution food, affect the body health
Remember metalware cannot microwave heating with microwave, because metalware doesn't make the food heated, will damage the microwave oven.
With the tableware of microwave oven dedicated to security, rest assured. In fact as long as it is glass, pottery and porcelain (not with metal grain), special plastic ware can be used in the microwave oven.