Duble wall tumbler
Feastures of borosilicate glass items:
Double wall glass cup keeps hot drinks hot for a longer period of time, and it also keeps cold drinks cold longer.
No condensation water when cold drinks served.Made by very strong but yet light glass-borosilicate glass.
No becoming cloudy over time for borosilicate glass.
Heat resistant, and instant temperature is -30°C +220°C.
Dishwasher & microwave safe.(vacuum double wall item except)
Healthy and eco-friendly raw material.
Notice: All products are handblown, will have slight differences in height, thickness & weight.