- Flask compresses as you drink to eliminate water sloshing around inside it.
- Updated soft bite valve with higher flow rate, easy on the teeth.
- Slim and lightweight fill easily with wide mouth opening.
- Durable Thermoplastic Polyurethane (TPU) construction, EVA foam insulated
- BPA, PVC, and Phthalate free, will not taint taste; Meets FDA and EC regulation.
- Hydration vest compatible: fits easily in most hydration vests, belts, or pack pockets. Soft material conforms to any pocket for comfortable carrying.
- Reliable and safe: 100% BPA & PVC free. Wide working temperature range (0° C- 40° C / 104-° F)
- Material: TPU
- Capacity: 420ml
- Weight: 62g
- Standard: US FDA 21 CFR 177.1350
- Features: Folding, lightweight and BPA free
- Application: climbing/hiking/cycling/running
Aonijie 420ml Insulated Soft Flask