With antibacterial finish. Convenient foldable 450ml soft flask with bite valve.

Features:

• 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, fills easily with wide mouth opening.
• Durable Thermoplastic Polyurethane (TPU) construction.
• BPA, PVC and Phthalate free, will not taint taste; Meets or exceeds FDA and EC regulation.
• Hydration vest compatible: fits easily in most hydration vest, belt or pack pockets. Soft material conforms to any pocket for a comfortable carrying.
• Reliable and safe: 100% BPA & PVC free. Wide working temperature range (0° C- 40° C / 104-° F)

Specification:

• Material: TPU
• Capacity: 450ml
• Weight: 33g
• Standard: US FDA 21 CFR 177.1350
• Features: Folding, lightweight and BPA free
• Application: climbing/hiking/cycling/running