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Stainless Steel Insulated Thermos 1.5L

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Regular price Regular price: $59.00 Sale price Regular price:

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A photo of the Stainless Steel Insulated Thermos 1.5L in use

Stainless Steel Insulated Thermos 1.5L
Need to keep your drinks hot or cold for several hours? Our designers have developed this (large) highly insulated bottle.

Large volume (1.5 litre), cup included, retractable handle. The most insulated of bottles.


Starts at 95°C: 83°C after 6 hrs, 74° after 12 hrs, 60° after 24 hrs.

Ease of use

Double opening: wide or fast to pour. Handle, cup included. Stainless steel.

Easy maintenance

Easy to clean thanks to the removable cap. Stainless steel inner wall.

Easy transport

Retractable gripping handle for transport and easy pouring.


Double wall stainless steel 18/8 (304) construction with vacuum btw two walls.


Product Reviews

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7 review(s)
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Perfect use it everyday,

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SS Flask Looks Durable

Still under observation. It can keep the hot water for the whole night duration. The open/close mechanism is not impressive.

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insulated stainless steel hikers flask 1.5 litre

Very please with this flask am using for work and stays hot all day

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Keep rather hot for a long time, good for us to use both at home or on a trip. Quite satisfied.

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not tried yet

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strong sturdy as good as the main branded thermos.

excelent shouldent need to buy again

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hi purchased the flask 6 months ago was ok at first then started to leak from the lid until one morning i filled it with hot coffee and the lid must have come loose and the the contents emptied in my rucksack on trying to tighten the lid the plastic seemed to have gone soft and would not tighten in view of the mess and trouble it caused it went straight in the bin do not buy

Thanks for your feedback on the stainless steel thermos flask and we apologise for the delay in responding to your post. I regret to hear that you have not been completely satisfied with the flask, I shall be sure to pass this feedback on to the product manager. If you do face issues with any other Decathlon products, please don’t hesitate to get in touch so we can find the best solution for you.
Chris Allen UK Market Manager DECATHLON
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Product information



  • 7% Polypropylene
  • 3% Acrylonitrile Butadiene Styrene
  • 90% Stainless Steel 304


  • 78% Polypropylene
  • 20% Stainless Steel
  • 2% Acrylonitrile Butadiene Styrene


  • 100% Silicon

Advice to optimise the performance of your isothermal bottle.

"Fill the bottle with boiling water for 5 minutes. Then replace the water with your beverage. Close the bottle.The fuller the bottle, the better it is at keeping the contents hot or cold."


Cap with a wide opening but also with a quick opening system that allows you to pour easily without losing heat.

Care instructions

Wash by hand, not in the dishwasher. Rinse in clean water, then leave to dry with the cap open.

First use

Rinse the entire product 3 times with clean water before first use.

Materials and regulations

Our products and materials meet the food contact standards in force. They do not contain Bisphenol A (BPA) in accordance with the French regulations in force.

Weight and dimensions

Volume: 1.5 litreDimensions: Ø 12.5cm x 29cmWeight: 980 gAvailable in: 0.4 L/0.7 L/1 L/1.5 L

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