In the age of flashy marketing stunts and gimmicky ads, Frank Green has gone the complete opposite way.
The much-loved Australian drink bottle company has pulled off what they call the “world’s most boring test” and somehow made it fascinating.
The premise was to pop 28 ice cubes into their 2L Ceramic Reusable Bottle, seal the lid, and wait. No edits. No trick shots. Just ice, time and truth.
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As for the result, the ice stayed frozen, keeping the water below 4 degrees Celsius, for an unbelievable seven days, 15 hours and 59 minutes.
Yes, you read that right. Over a week of ice-cold water. In a bottle. Sitting still.
For anyone who has ever carried around a water bottle that turns lukewarm within a couple of hours, this experiment is more than just fun trivia — it’s proof that Frank Green bottles actually perform exactly as they claim.

The brand logged every tenth of a degree with a waterproof Bluetooth thermometer, accurate to half a degree Celsius, to back up the results with science.
No sneaky camera cuts, no swapping bottles mid-test. Just pure transparency.
And while it might sound a little dull to sit and watch ice melt (or, in this case, not melt), the findings are anything but boring.
It’s the kind of detail that shows why Frank Green has become the cult bottle of choice. The company dedicates more than 40,000 hours every year to designing, testing and refining its products.

That effort translates into features that make the bottles stand out in a crowded category:
- Triple wall vacuum insulation, for maximum chill, minimal melt.
- Premium stainless steel shell — Engineered for endless icy refills.
- Spill-resistant lids – Keeping your cold locked in, not on your gym bag.
- Ceramic lining – Resists extreme heat, preserves temperature, and stops that metallic taste.
- Built to last, built to perform — Performance you can feel every sip.
This experiment is more than a quirky marketing play. It highlights how much the brand values function as much as form.
Frank Green bottles are known for their sleek design and colour options that double as a style statement, but this test shows they can handle the reality of everyday use too.
And let’s be honest, the bragging rights of saying your bottle keeps ice frozen for over a week are pretty great.
Imagine filling it up before a weekend camping trip and still having ice clinking around the following Friday. Monumental.
The 2L Ceramic Reusable Bottle that starred in the test is priced at $99 and comes in a range of colours and styles.

It’s large enough to cover your hydration needs all day, or to keep in the fridge as your household’s go-to chilled water bottle.
Given how quickly Frank Green’s most popular colours tend to sell out, it’s worth snapping one up before your favourite disappears.
So while the test might have been billed as the “world’s most boring”, the results are anything but.
Frank Green has once again proven why it’s the functionally superior choice: high-performance, high-design, and now, ice-cold proof.