Glass Tumbler Fluted Borosilicate Leakproof Lid

✔ Leak-proof lid: The precision-engineered lid and high-grade silicone sealing ring create a 360-degree seal to help prevent leaks and spills while carrying the tumbler.

✔ Heat- and cold-resistant glass: Borosilicate glass is designed to withstand high and low temperatures, making the tumbler suitable for drinks ranging from iced coffee to hot tea. Its material also supports taste purity.

✔ Fluted, ergonomic grip: The ribbed exterior provides a more secure, comfortable hold while giving the tumbler a classic fluted look. A matching glass straw and dedicated straw port complete the design.

Capacity: 18.6 fl oz

Material: Borosilicate glass

Lid seal: 360-degree leak-proof lid with silicone gasket

Temperature range: Suitable for boiling and freezing temperatures