Square Bamboo cup
13oz
comes with glass straw, colour will match handle
Borosilicate glass has a tighter molecular structure than traditional calcium silicate glass. This new type of glass jar obtain better tightness and excellent heat resistance with minimum thickness and lighter texture
used for modern laboratory glassware and Glass cookers.
Borosilicate glass is thin and durable. It is safe for microwave oven and dishwasher..
In addition, because of its corrosion resistance, it can be cleaned for many times without holes, so it is still safe even if it is reused!