Collapsible Soft Flask Water Bottle 250ml/500ml For Running, Hydration Pack,. Introducing the Soft Flask Folding Collapsible Water Bottle—your Ideal Hydration Companion for Active Adventures. Designed for Runners, Climbers, Cyclists, and Hikers, This Bottle Compresses As You Drink, Minimizing Water Movement and Noise. The Updated Soft Bite Valve Ensures a Higher Flow Rate and is Gentle on Your Teeth. With a Slim and Lightweight Design, It Features a Wide Mouth Opening for Easy Refilling. Made from Durable Thermoplastic Polyurethane (TPU), This Bottle is BPA, PVC, and Phthalate Free, Preserving the Pure Taste of Your Water and Meeting FDA and EC Regulations. Perfect for Hydration Vests, Belts, or Pack Pockets, Its Flexible Material Guarantees a Comfortable Fit. Key Features: - Collapsible Design: Compresses As You Drink to Eliminate Sloshing. - Easy Access: Updated Soft Bite Valve with Higher Flow Rate. - Convenient Filling: Wide Mouth Opening for Hassle-free Refills. - Durable Build: Made from Thermoplastic Polyurethane (TPU). - Safe and Pure: BPA, PVC, and Phthalate Free. - Compatibility: Fits Most Hydration Vests, Belts, or Pack Pockets. - Lightweight: Weighs Just 31g/36g for Easy Portability. Ideal For: Running, Hiking, Climbing, and Cycling. Included in the Package: 1 X Soft Flask..