AONIJIE SD09 SD10 250ml 500ml Soft Flask Folding Collapsible Water Bottle TPU BPA-Free for Running Hydration Pack Waist Bag Vest

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;
- 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)
Application:climbing/hiking/cycling/running