Soft Flask Running Sport Collapsible Bottle

The soft water bottle is tasteless and eco-friendly. Flexible soft flask is ideal for marathon, running, cycling, etcWithout taking your running vest off or stopping your running steps, just nibble the suction nozzle then easy to drink. Convenient collapsible water bottle for daily, travel or outdoor sports. Ultralight and Easy storage, the water bottle can be rolled up or flattened when it empty, doesn't take up too much space. This bottle is made of food-grade materials,Ultra-light hand water bottle is easy to fold and carry. It can fit easily in most hydration vest, belt or pack pockets.