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:
Item:Aonijie Soft flask
Model:SD30
Material:TPU
Capacity:250ml / 500ml
Weight:30g / 35g
Standard:US FDA 21 CFR 177.1350
Features:Folding,lightweight and BPA free
Application:climbing/hiking/cycling/running