... 2.Borosilicate glass 3.Dishwasher,Microwave,Freezer and Oven safe 1.cold drink glasses,hand made,mouth blown.250ml,also can ... made by client's requirements.2.cold drink glasses made with mouth-blown Borosilicate glass by expert artisans,taller version ... more resistant to temperature swings and scratching. They are Dishwasher,Microwave,Freezer and Oven safe, easy clean,and will not become cloudy ...