double wall vacuum flask

The modern lifestyle demands gear that can keep up with the pace, and the double wall vacuum flask is engineered to do just that. Utilizing advanced double-wall vacuum insulation technology, this flask ensures your beverages stay at their ideal temperature for hours on end, whether you're commuting, hiking, or simply relaxing at home. For those who prioritize durability and hygiene, our high-quality stainless steel vacuum flask offers a robust, rust-resistant interior that is easy to clean and doesn't retain odors. The core of its performance lies in its superior insulated vacuum flask construction, which creates a powerful barrier against external temperature changes. Its sleek, portable design makes it the ultimate travel vacuum flask, fitting perfectly in car cup holders and backpack side pockets. With a generous capacity, our reliable 1 liter vacuum flask provides ample hydration for long days without the need for constant refills.


Let's delve into the precise technical specifications of the ThermoGuard Pro Double Wall Vacuum Flask. The meticulous engineering behind this product guarantees peak performance. The following table and list detail the key parameters that define its quality and functionality.

  • Material: 18/8 Food-Grade Stainless Steel (Inner & Outer Wall)
  • Insulation Technology: Double-Wall Vacuum Insulation
  • Lid Type: Leak-Proof Screw Lid with Press-Button Open Mechanism
  • Exterior Finish: Brushed Stainless Steel with a Non-Slip Powder Coated Base
  • Dishwasher Safe: Yes (Top rack recommended)
Parameter Specification
Capacity 1 Liter (34 oz)
Height (with lid) 11.2 inches (28.5 cm)
Diameter 3.2 inches (8.1 cm)
Weight (Empty) 1.1 lbs (0.5 kg)
Hot Retention (≥95°C) 12 Hours
Cold Retention (≤4°C) 24 Hours
Warranty 5 Years

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