... made of general glass and very healthy, cause they have passed tests such as FDA, LFGB and ... hand , please put it in the place where they can't tough .3.Avoid dropping ,Collision and ... Not unavailable for microwave oven, dishwasher5.To prevent it from cracking , do not it over open fire directly ... size of real sample.2.All the goods is from our factory, quality completely guaranteed, all the goods can ...