500ml Soft Flask, 2 Pack TPU Collapsible Soft Water Bottle for Hydration Pack & Running Vest, 17oz Compressible Flask Foldable Water Bottle for Running Hiking Cycling

BPA FREE & HIGH QUALITY: Package included two soft running water bottles (500ml/17oz).This sporty water bottle is made of premium TPU, 100% free from BPA and PVC. This running flask body is wear-resistant and tear-resistant. Maintains shape even after repeated use, ensuring long-term reliability. SHRINKS AS YOU DRINK: Semsty's innovative soft flask shape easily fits in your pocket, hydration vest & running backpack and reduces in size as you drink, and it lets you know exactly how much you have left. This flask design minimizes bounce and provides a stable hydration solution without distractions or added bulk. And this running vest water bottle is designed to allow it to fold and compress when empty, minimizing bulk in your gear. HIGH-FLOW VALVE FOR EASY DRINKING:

Our flexible running flask features an intelligent bite valve & leak-resistant mouthpiece. The intuitive high-flow valve allows for quick sips on the go, so you can maintain your energy levels without missing a beat. The wide-mouth opening enables rapid refills, while the graduated scale on back clearly tracks your water volume.. LIGHTWEIGHT & PORTABLE: Semsty's collapsible flask is purposely lightweight ensuring your light on your feet and not weighted down by unnecessary bulk. The Soft Flask 500ml/17oz keeps you hydrated on all your runs, so you can explore, train, ski, hiking, running and race in optimum conditions. The soft and light water bottle is the perfect hydration tool for active individuals.. 100% Satisfaction：Designed to give you a wonderful sports trip. There must be room for improvement and we love that, please contact our customer service team if you have any suggestions or questions, we will immediately reply and help you.