This is the product description text that will appear here.
Quantity
1
The Ultimate Flask is the perfect companion for outdoor enthusiasts. With Thermos vacuum insulation technology, it keeps your drinks hot or cold for hours, while the durable stainless steel interior and exterior ensure its longevity. Availa...
Reviews
4.8
13 ratings
5
4
3
2
1
Used the 900ml for years, and went for the 500ml for those shorter trips. Both have the flask covers, that also helps keep the flask in good shape, and keep the temperature up/down. Fantasic flasks, Thermos is legendary for what they do best. Buy without hesitation.
MP
MR PF · May 6, 2026
Awesome flask.
S
Scott · February 15, 2026
Solid build and keeps hot drinks piping hot for a full day, easily too.
