Thermos NOVEEN TB612 — vacuum flask 590 ml, stainless steel, double-wall insulation

NOVEEN TB612 is a stainless steel vacuum flask with a 590 ml capacity designed to keep beverages hot or cold for everyday use. Its double-wall insulation and stainless-steel construction provide effective temperature retention and a robust exterior suitable for travel, office use, and outdoor activities. The bottle includes a leak-resistant lid to reduce spills during transport and is sized for easy carrying and filling.

Advantages

The double-wall vacuum construction minimizes heat transfer, helping to maintain drink temperature for extended periods without condensation on the exterior. Stainless-steel materials offer corrosion resistance and durability for repeated use, while the 590 ml capacity balances serving size and portability. The leak-resistant lid supports safe transport and reduces the risk of accidental spills in bags or backpacks.

Suitable for

• Daily commute and office use
• Travel and long journeys
• Outdoor activities such as hiking and picnics
• Keeping coffee, tea, water, or other beverages at serving temperature

Key specifications

• Capacity: 590 ml
• Material: stainless steel (body and inner walls)
• Insulation: double-wall vacuum insulation
• Lid type: leak-resistant screw or snap lid (integrated seal)
• Intended use: hot and cold beverage retention

How to use

Preheat or precool the flask by rinsing it with hot or cold water for a few minutes before filling to improve temperature retention. Open the leak-resistant lid and pour in the desired beverage, leaving a small air gap at the top to avoid overflow when closing. Close the lid securely to maintain the vacuum seal and store the flask upright in a bag or cup holder. To pour, open the lid according to its mechanism and pour slowly to control flow and avoid splashing.

Usage recommendations

Clean the flask after each use with warm water and mild detergent; avoid abrasive cleaners or scrubbers that can damage inner surfaces. Do not place the flask in a microwave. For long-term odor and stain prevention, rinse immediately after storing strong-smelling or colored liquids. Inspect seals periodically and replace if damaged to maintain leak resistance.