Why Does Your Flask Drink Go Lukewarm on a Family Walk?

ERM Stainless Steel Vacuum Flask — BLACK / 800ml

A lukewarm tea break is disappointing when everyone has been looking forward to it. Before replacing the flask, check how it is being filled, carried and opened during your usual outing.

Try a like-for-like check at home

Follow the manufacturer's filling and care instructions, then compare the same drink over the length of a normal walk. Note the starting temperature, fill level and number of times the lid is opened. Inspect the lid and seal for obvious damage or residue.

A family sharing one flask may open it several times. That is a different pattern from one person pouring once at the end of a short route. Choose capacity and serving arrangements around the real outing rather than an unverified promise of hot drinks for a fixed number of hours.

Keep hot pouring with an adult, allow children's drinks to cool and carry suitable drinking water separately where needed.

ERM Stainless Steel Vacuum Flask

View sizes, options and product details.

  • 600 ml, 800 ml, 1 litre and 1.5 litre options
  • Black, white and steel finishes
  • Vacuum-insulated design

Choose the capacity before adding to your basket. Thermal performance varies with fill level, temperature and how often the flask is opened.

Related reading: Christmas Gifts for Busy Parents Who Enjoy Getting Outside.

For your next trip, use our family camping checklist.

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