The Rivers Trust Shop

River Defender Coffee Flask


The River Defender Insulated Wide 12oz Coffee Flask is the best stainless steel coffee mug solution for hot coffee, hot tea or your favourite iced drinks. Co-branded with Klean Kanteen, this flask has a secure leak-proof Café Cap. And best of all, the climate Lock™ double-wall vacuum insulation keeps drinks hot for 8 hours and iced for 24 hours! Klean Coat™ powder coat finish is 4X more durable, chip-resistant and safe for people and planet.

Artwork beautifully illustrated by Harriet Gardiner.

In stock

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  • 12oz coffee flask
  • 18/8 Stainless Steel construction.
  • Climate Lock™ double-wall vacuum insulation will keep drinks hot for 8 hours and iced for 24 hours.
  • Electropolished interior, a safe & non-toxic process, and rounded corners make it easy to clean.
  • Includes the leak proof Café Cap 2.0.
  • Hand washing is recommended – watch this useful video on how to clean your Café Cap here.

Additional information

Weight 0.267 kg

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