This is 592ml/ 20oz FIRE EXTINGUISHER shape stainless steel vacuum flask, with built-in straw, 100% leak proof, 316L stainless steel as inner lining and 304 stainless steel as external lining.
316L stainless steel is a low-carbon alloy known for its excellent corrosion resistance and superior durability, often used in medical devices and marine environments, offering exceptional durability, corrosion resistance, and superior heat retention, keeping your beverages at the perfect temperature.
- 100% leak proof
- Keep warm for 18 hours and keep cold for 36 hours!
- The lid is easy to take apart and clean to avoid bacteria