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Thermos Thermo Cafe Flask Review: Keeps Drinks Hot or Cold for Hours?

Thermos Thermo Cafe S/S Flask - 181109, Silver, 0.5 Litre
4.6
[Double-Wall Vacuum Insulation]  Retains both hot and cold temperatures for hours.
[Durable Stainless Steel]  Interior and exterior provide long-lasting, rust-resistant durability.
[Cool-to-Touch Exterior]  Exterior remains cool with hot liquids to prevent burns.
[No-Sweat Cold Performance]  Sweat-proof design prevents condensation and keeps grip secure.
[Insulated Serving Cup Included]  Includes insulated stainless-steel serving cup; hand wash only, not dishwasher safe.
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A compact, vacuum-insulated flask designed to retain hot or cold temperatures for hours. Ideal for commuters and outdoor users who want a durable, sweat-proof bottle that is comfortable to handle. Does the Thermos Thermo Cafe Flask stand up to daily use and longer journeys?

⚡ At a Glance
  • Insulation Performance: Double-wall vacuum insulation retains hot or cold temperatures
  • Best for: Commuters and outdoor users who need reliable temperature retention
  • Not ideal for: Those who require dishwasher-safe drinkware

Double-wall vacuum insulation and stainless-steel construction form the core of the design. Insulated stainless-steel serving cup included and unit is not dishwasher safe.


Long-lasting temperature retention - thanks to double-wall vacuum insulation

Two stainless-steel walls create a vacuum layer that slows heat transfer by conduction and convection, helping to preserve beverage temperature.

Keeps hot drinks warm and cold drinks chilled for routine commutes or day trips, as reflected in user feedback.

Comfortable handling - with cool-touch, sweat-proof stainless-steel exterior

The external stainless-steel surface remains cool when filled with hot liquids and resists condensation when filled with cold liquids.

Comfortable to hold on the move and prevents moisture from soaking into bags or sleeves.

Practical serving on the go - with insulated stainless-steel serving cup

An insulated stainless-steel cup doubles as a drinking vessel and helps maintain temperature when pouring from the flask.

Provides a ready-to-use cup for breaks at work or outdoors, eliminating the need to carry separate cups.

✨ The 4 Key Reasons for Thermos Thermo Cafe Flask
  1. Compact 0.5L size - Fits most cup holders and is light for daily commuting
  2. Durable stainless steel - Withstands knocks and keeps an attractive finish over time
  3. Cool-touch exterior - Handles safely when filled with hot liquids without burning hands
  4. Insulated serving cup - Provides a hygienic cup while maintaining beverage temperature
📋 Technical Details at a Glance
  • Category: Vacuum flask
  • Brand: Thermos
  • Capacity: 0.5 Litre
  • Material: Stainless steel interior and exterior
  • Insulation: Double-wall vacuum insulation
❓ Frequently Asked Questions

Q: How long will the flask keep drinks hot or cold?

A: User reviews report that it keeps drinks hot all day, and the double-wall vacuum insulation is designed to retain hot or cold temperatures.

Q: Can the flask be washed in a dishwasher?

A: No, the product description states the flask is not dishwasher safe.

Q: Will the exterior sweat with cold drinks?

A: No, the description specifies a sweat-proof exterior with cold liquids, which minimises condensation.

🏆 Our Verdict

Suitable for commuters, hikers and anyone who needs reliable temperature control in a compact bottle. Double-wall vacuum insulation plus an insulated stainless-steel serving cup make hot and cold drinks easy to enjoy on the move. Durable stainless-steel construction and a sweat-proof exterior should deliver long-term value for regular daily use.