1,Borosilicate glass baby bottle 2,Heat-resistant, could be sterilized in high ... the features are as below:1,Made from high borosilicate glass with low expansion coefficient3.3;2,Microwave-oven and dishwasher safe ... , thermal shock can reach 100centigrade degree; 4,Crystal-clear,sparkling with no water wrinkle & mould wrinkle;5,Unique design, enabling babies ...