The Vinnebago is a vacuum sealed flask that also features three walls of proprietary insulation, which mean it is able to keep cold drinks chilled for up to 25 hours and can maintain hot drinks for up to 12 hours.  No freezing is needed, the liquid will simply stay chilled inside the flask making the Vinnebago perfect for impromptu trips into the wild.

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Vinnebago Features:

• 750ml Capacity meaning that the Vinnebago can store a whole bottle of wine.
• Keep any cold beverage ice cold for 25 hours.
• Maintains hot beverages for up to 12 hours.
• Perfect for taking to places where glass bottles are forbidden: Picnics, trips to the beach, at the pool or out camping.
• No annoying bottle sweating.
• No cumbersome cooler or ice needed.

The Vinnebago costs £30 from Selfridges.