Sporteer 500ml Soft Flask ,2-Pack- Collapsible Water Bottle for Running

ERGONOMIC & BODY-CONFORMING: Designed with a flexible, low-profile shape that eliminates the bouncing of rigid plastic bottles. These 500ml flasks are ideal for running vests, waist packs and handheld carriers, SHRINKS AS YOU DRINK: Our high-flow bite valve allows for effortless hydration on the move. The collapsible TPU material compresses as you drink, eliminating the annoying sloshing and reducing the flask's footprint in your pocket or pack, LEAK-PROOF CONSTRUCTION: Featuring high-strength RF-welded seams for superior durability and a precision and a screw cap that stays sealed. Pack them in your gym bag with confidence - no drips, no messes - just reliable hydration, CLEAN TASTE STANDARD (BPA & PVC FREE): Made from food-grade TPU that is BPA and PVC-free. We prioritize water purity so you can focus on your performance. , LIGHTWEIGHT & PORTABLE: At only a fraction of the weight of plastic bottles, these flasks fold down to the size of a granola bar when empty. Designed for runners, hikers, and travelers who need to save space without sacrificing capacity.