*Made of the first-grade heat-resisting high borosilicate glass. This material glass products have good inner surface hydrolytic resistance,inner stress,thermal shock resistance.etc.

*BPA free,lead-free,PVC-free and totally Phthalate-free,contain NO poisonous substances to human body.

* Crystal-clear, sparkling and smooth, with no water wrinkle & mould wrinkle, the inner body is smooth and easily cleaned.

*Can be sterilized between -40 degree and 600 degree and will not crack and will not release any chemical constituents.

*Microwave-oven and dishwasher safe.