High Borosilicate Glass: This 500ml single wall wine borosilicate glass water bottle is made of high borosilicate glass, which is the most eco friendly glass material. No smell after drinking coffee, tea or others.

Silicone Sleeve: Hot water and cold water in the glass water bottle, with silicone sleeve to be insulated. Different colors are welcome!

Glass Straw:The straw is also made of glass, we also welcome plastic and bamboo straw.
Bamboo Lid:The lid of the glass drinking bottle is made of nature bamboo, with silicone ring to make it water proof.