Quick Summary
The TRIWONDER soft flask is a foldable hydration bottle made from TPU and sold as a pack of 2. Each flask has a 500 ml / 16.9 oz capacity and is described as BPA-free, collapsible and suitable for use with a hydration pack.
It is intended for drinking on the move, with a nozzle or straw for easier sipping and a wide mouth for filling and cleaning. The flasks stand upright when filled and fold into a smaller size when not in use.
Key Details
| Detail | Verified information and buyer relevance |
|---|---|
| Brand | TRIWONDER. |
| Product type | Soft flask / foldable running water bottle. |
| Material | TPU, described as food grade. |
| Capacity | 500 ml / 16.9 oz per flask, which matters if you are planning drinks for longer sessions. |
| Pack quantity | Pack of 2, so check whether you need two flasks or a single bottle. |
| Compatibility | Suitable for a hydration pack. |
| Temperature guidance | Recommended temperature range of 0-40°C, and it is described as refrigerable but non-freezable. |
| Use features | Nozzle or straw, wide mouth, collapsible design. |
What to Compare Before Buying
- Capacity: Each flask holds 500 ml / 16.9 oz. Compare that with how much drink you want to carry on a run, ride or walk.
- Pack quantity: This is a pack of 2. Check whether you need two matching flasks or just one.
- Fit with your pack: The bottle is intended for a hydration pack, so make sure the size and shape suit your vest or pack.
- Filling and cleaning: The wide mouth is useful if you want easier refilling and washing.
- Use temperature: The stated working range is 0-40°C and it is non-freezable, so compare that with how you plan to store or chill drinks.
What Else You May Need
If you are buying this for an existing hydration pack, check that the pack accepts soft flasks of this size and shape. If you want to use the nozzle or straw as intended, make sure the selected offer includes the exact flask style you need.
Before You Decide
Confirm the 500 ml size, the pack of 2 quantity and the hydration-pack fit before choosing an offer. The flasks are collapsible and non-freezable, so the stated temperature guidance matters if you plan to chill drinks or store them in colder conditions.
