UTOBEST Soft Flask TPU Foldable Running Water Bottles Collapsible Hydration Bottles, 2PCS

Safe: TPU body, comfortable and environmentally friendly, BPA PVC free, ensuring safe hydration. Lightweight: Only 53g, collapsible soft flask, easy to use, easy to store, let your running more easily. Fits most hydration vests and backpacks. Easy Drinking: Convenient straw allows you to hydrate and keep moving, fast and accessible, a light squeeze gives ample hydration, without leaking. Easy Cleaning: This soft flask with wide mouth opening, fills easily and easy to clean. Big Capacity: 350ml/11.8oz design, meet the needs of different usages, let you run further.