Royalford Glass Vacuum Flask - 1000ml - White

The Royalford 1L Vacuum Flask Jug is the ideal solution for keeping your beverages hot or cold for...

Best current price£15.99from OnBuy.com

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OnBuy.comRoyalford (White) Glass Insulated Vacuum Thermal Flask Jug
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B&QB&Q - Glass Vacuum Flask 1000Ml Airpot Heat & Cold Retention Carafe
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DebenhamsRoyalford Unisex White 1L Vacuum Flask Thermos Jug Insulated Airpot Hot Cold Drink Camping In
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Dorothy PerkinsRoyalford Unisex White 1L Vacuum Flask Thermos Jug Insulated Airpot Hot Cold Drink Camping In
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WallisRoyalford 1L Vacuum Flask Thermos Jug Insulated Airpot Hot Cold Drink Camping in White
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Product Information

Full details

The Royalford 1L Vacuum Flask is designed for individuals who need to keep their beverages at optimal temperatures during long meetings, home gatherings, or travel. Its primary benefit is the combination of a high-quality glass interior with advanced vacuum insulation, which ensures exceptional heat and cold retention for hours; however, users should handle it with care as the inner glass lining is fragile and susceptible to damage if dropped or subjected to extreme thermal shock.

All features

ColourWhite
Model Part Number6294016438535
BrandRoyalford

Extended Product Information

FAQs

Is this flask safe for carbonated drinks?

It is not recommended to use this flask for carbonated drinks as the pressure buildup could damage the seal or make the lid difficult to open.

Can I put this flask in the dishwasher?

No, this flask should be hand washed. The heat and mechanical action of a dishwasher can damage the vacuum seal and the delicate glass interior.

How long will it keep my drinks hot?

Performance varies based on the starting temperature and ambient conditions, but the high-quality vacuum insulation is designed to keep beverages hot or cold for several hours.

Is the inner glass bulb replaceable?

No, the glass inner pot is integrated into the structural design and cannot be replaced if broken.

Can I use it for milk-based drinks?

Yes, but be sure to clean the flask thoroughly immediately after use to prevent milk residue from souring inside the carafe.

Is the exterior surface heat-resistant?

The exterior remains cool to the touch even when the flask is filled with boiling liquid, making it safe to handle.

Troubleshooting

Beverage is not staying hot/cold as expected

Ensure the lid is screwed on tightly and check that the silicone gasket is correctly seated and free of debris.

Leakage around the pouring area

Check the silicone seal inside the lid for damage or residue buildup. Clean the gasket thoroughly and ensure it is firmly in place.

Liquid flow is inconsistent

Ensure the air vent in the lid is not obstructed by tea leaves or other debris.

Pros and Cons

Pros

  • Excellent heat and cold retention properties
  • Glass lining keeps drinks tasting pure without metallic taint
  • Generous 1000ml capacity for multiple servings
  • Ergonomic handle allows for convenient one-handed use
  • Wide mouth facilitates easy cleaning and filling

Cons

  • Glass lining is fragile and sensitive to impact
  • Avoid extreme thermal shock to prevent glass breakage
  • The white exterior requires regular wiping to maintain its finish

Setup, Compatibility & Care

Proper care is essential to extending the life of your glass-lined vacuum flask.

  • Initial Setup: Wash the interior with mild detergent and warm water before the first use. Rinse thoroughly and allow it to dry completely with the lid off.
  • Cleaning: Use a bottle brush for the interior. Avoid using abrasive sponges or harsh chemicals that could scratch the glass or damage the silicone gasket. The lid should be washed by hand rather than in a dishwasher to maintain the integrity of the seal.
  • Handling: Never drop the flask or strike it against hard surfaces. The internal glass bulb is delicate. Always avoid rapid temperature changes—do not pour boiling water immediately into a frozen flask, as this can cause the glass to crack.

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