Specifications:

• DURBLE TPU MATERIAL : TPU material, the soft water bottle is tasteless and eco-friendly. Flexible soft flask is ideal for marathon, running, cycling, etc
• CONVENIENT DESIGN: Soft water flask is collapsible and compactly built for a long life for durable use. The running flask stands upright when it full and shrinks in the min volume while empty, no burden for sports
• EASY TO USE: Silicone bite mouthpiece. Bite the mouthpiece gently to drink water. High-flow bite valve auto-seals after each sip, without leaking. Convenient collapsible water bottle for daily, travel, or outdoor sports
• RECOMMEND USING: Recommended used temperature: 0 - 40C. The folding water bottle with straw/nozzle can be frozen and chilled overnight, easily get a refreshing beverage on a hot day.
• EASY CARRYING: Ultra light hand water bottle is easy to fold and carry. It can fit easily in most hydration vest, belt, or pack pockets. Great soft hydration flask for men, women, and kids

1 Pcs 250ml Soft Water Bottle , TPU Collapsible Flask Foldable Bottles for Hydration Pack, BPA Free, for Running Hiking Cycling Climbing