Features: Hydration vest compatible - fits easily in most hydration vest, belt or pack pockets. Provides bounce-free stability and a flexible flask shoulder to prevent chafing. Collapsible flask- soft material conforms to any pocket, and shrinks as you drink to reduce movement and pack away easily when empty. Ultralight hydration - makes A great hydration addition or replacement for distance or trail running. Durable - Made of abrasive-resistant TPU, high-flow bite valve easy-seals after each sip, eliminating annoying drips. 100% BPA & PVC free - no weird taste, and no unnecessary or harmful chemicals.
Features: BPA-Free -Spill-proof, push and pull Valve technology Removable nozzle for easy cleaning Bottle shape offers excellent squeezability Trustee polypropylene with Hydro Guard Safe to use and tasteless