Large Stainless Steel Vacuum Flask Thermos Bottle

Reliable temperature control for busy days and outdoor use.

This large-capacity stainless steel vacuum flask is engineered to keep drinks hot or cold for hours. The double-wall insulated design with a vacuum-sealed lid minimizes heat transfer, helping maintain your beverage at a stable temperature throughout the day. Built from food-grade stainless steel, it resists rust, corrosion, and impact, making it suitable for daily commuting, office use, and demanding outdoor conditions.

Available in 500 ml, 700 ml, 1000 ml and 1500 ml sizes, it adapts easily to different routines-from a single morning coffee to enough water or tea for a full day out. The wide-mouth opening allows for easy filling, adding ice, and thorough cleaning. A sturdy rope handle provides a secure, comfortable carry, whether it's clipped to a bag or held in hand, reducing the risk of drops and spills. With its clean, modern silhouette and choice of finishes, this flask fits seamlessly into both professional and casual settings.

Why It's a Smart Choice

• Long‑lasting insulation - Double-wall vacuum construction helps keep beverages hot or cold for extended periods.
• Durable stainless steel body - Food-grade material resists rust, odors, and everyday wear for consistent performance.
• Practical design for daily use - Wide mouth, secure leak-resistant lid, and rope handle make it convenient to carry, pour, and clean.

FAQ

Q: How long does it keep drinks hot or cold?
A: Performance varies by fill level and environment, but the double-wall vacuum structure is designed to maintain temperature for several hours in typical daily use.

Q: Is the flask leak-resistant?
A: Yes. When the lid is properly closed, the vacuum-sealed cap helps prevent leaks during transport.

Q: Can I use it for carbonated drinks?
A: It is generally not recommended to store highly carbonated beverages in sealed vacuum flasks, as internal pressure may increase when shaken or warmed.

Q: Is it dishwasher safe?
A: The stainless steel body is typically dishwasher safe, but hand washing is recommended to maintain the exterior finish and gasket integrity. Always check care instructions if provided.

Q: Does the exterior get hot or sweat with cold drinks?
A: The double-wall insulation helps keep the exterior comfortable to touch with hot drinks and reduces condensation when used with cold beverages.