... .Tasteless,nontoxic,hygienic,eco-friendly;3.Material:High Borosilicate Glass 1,Made from high borosilicate glass with low expansion coefficient;2,Microwave-oven and dishwasher ... , thermal shock can reach 100centigrade degree; 4,Crystal-clear,sparkling with no water wrinkle & mould wrinkle;5,Unique design, enabling babies ...