Quick Summary
The TRIWONDER soft flask is a foldable water bottle made from food grade TPU and sold as a pack of 2 in 500 ml / 16.9 oz size. It is designed to be soft, collapsible and easy to carry with hydration gear.
The flask stands upright when filled and folds to a smaller size when not in use. It also has a nozzle or straw for drinking, a wide mouth for filling and cleaning, and a stated temperature range of 0-40℃. It can be refrigerated, but not frozen.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | TRIWONDER – the named product range. |
| Product type | Soft flask / foldable water bottle for carrying drinking water. |
| Material | Food grade TPU. |
| Capacity | 500 ml / 16.9 oz per flask, useful for checking how much drink each bottle holds. |
| Quantity | Pack of 2, so the offer is for two flasks. |
| Drinking method | Nozzle or straw. |
| Opening | Wide mouth for filling and cleaning. |
| Temperature range | 0-40℃ stated; can be refrigerated but not frozen. |
What to Compare Before Buying
- Capacity: Each flask holds 500 ml / 16.9 oz, so compare that with how much drink you want to carry in one bottle.
- Pack quantity: This is a pack of 2, which matters if you want a pair rather than a single flask.
- Filling and cleaning: The wide mouth is useful if you prefer an easier fill and rinse routine.
- Drink delivery: Check whether the nozzle or straw suits the way you like to sip while moving.
- Temperature range: The stated range is 0-40℃ and the flask can be refrigerated, so confirm that suits your intended use.
Compatibility, Size and Fit
This soft flask is intended for hydration pack use, so check that the shape and 500 ml size match the bottle pocket or carrier you plan to use. Because it is collapsible, it is also worth confirming that your pack or vest suits a soft flask rather than a rigid bottle.
What Else You May Need
If you plan to use it in a hydration pack or vest, confirm that the pack has space for a 500 ml soft flask and that the drink setup works with the nozzle or straw style.
Before You Decide
Confirm the 500 ml size, the pack of 2 quantity and the drink style before choosing. If you need a bottle for a specific hydration pack pocket, check the fit against the exact flask shape and size. If the temperature range matters for your plans, keep the stated 0-40℃ limit in mind.
