... 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 ... Borosilicate glass is amazingly durable...Because of this, these glasses are more resistant to temperature swings and scratching. ... your samples or customized designs. cold drink glasses