The glass bottle should be pure and transparent. If the glass bottle looks like there are impurities and bubbles, it will appear very rough and affect the beauty of the glass.
The mouth of the bottle should be smooth and neat. This affects the comfort of drinking water, and more directly affects the tightness of the glass bottle.
A thicker glass bottle is preferred. Glass bottles have thick and thin, in terms of material and quality, try to choose more thick glass bottles, so that it can be heat insulation and wear resistance to a certain extent.
Select high borosilicate glass. The material of choice for high-end and exquisite glass bottles is high borosilicate glass, because this glass bottle has very good heat resistance, cold resistance and wear resistance.
