With a thermal range of -20°C to 120°C, the 350ml Square Glass Water Mug with Blue Handle prevents cracking during temperature shifts. Borosilicate glass stops the frame from shattering when you pour boiling tea. Use this aesthetic glass mug for coffee to keep drinks stable on flat desks.
Key Features
- Heat-Resistant Borosilicate: Temperature tolerance from -20°C to 120°C. Won't shatter when you pour boiling water into it.
- Spill-Proof Lid: Plastic cover with a silicone-lined straw port. Reduces liquid loss if the mug tilts.
- Ergonomic Blue Handle: C-shaped blue handle attaches to the square glass body. Keeps fingers away from hot coffee or tea.
- 350ml Square Profile: Despite the square shape, the 350ml capacity remains standard. Fits into tight storage areas better than round cups.
Frequently Asked Questions
Is borosilicate glass safe for hot coffee?
Under high heat, borosilicate glass handles up to 120°C without cracking. It survives the transition from cold water to boiling coffee.
Can I put a glass straw in the dishwasher?
High-temperature dishwasher cycles won't damage the glass straw. It clears away road dust and residue without clouding.