Image not available$14.95
1 retailer
28mm Hydriam Collapsible Flask
The CNOC Outdoors 28mm Hydriam Collapsible Flask is a 350 mL–750 mL (12–25 fl oz) collapsible tpu water bottle.
- Capacity
- 350 mL–750 mL (12–25 fl oz)
- Weight
- Not published
- Material
- TPU (soft film)
- Diameter
- Not published
Image not availableWhat the data says
- Its 28 mm thread is the common soda-bottle size that squeeze filters screw onto.
- Lowest in-stock price is 13% below list price this week.
Computed from the specs below. How we write summaries.
Full specs
Last verified Oct 17, 2026
Unless marked otherwise, specs are from the manufacturer’s product page (minimalgear.com).
| Capacity | 350 mL–750 mL (12–25 fl oz) |
|---|---|
| Collapsible | Yes |
| Material | TPU (soft film) |
|---|---|
| BPA-free | Yes |
| Colorways | 350ml Blue, 500ml Blue, 750ml Blue |
| Lid | Screw cap |
|---|---|
| Opening | 28 mm (1.1 in) |
| Fits squeeze filters | Yes |
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