Here's this exact water bottle cover on Amazon: [ Ссылка ]
I use these water bottle insulated covers on Mt Rainier when we climb it every year.
This test actually really surprised me. I thought for sure there'd be SOME ice in there... after 5-6 hours of sitting there? Blew my mind.
★
☆
Original review from Beau Chevassus, Knok Studio (Media for non-profits), [ Ссылка ] (Seattle nonprofit) Knok.org
Beau Chevassus is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. As an Amazon Associate Beau Chevassus earns from qualifying purchases.
Beau Chevassus Amazon Review Profile: [ Ссылка ]
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