Optimized Hand Fit: Comfortably carry in your hand Carry Loop: Quickly grab and go High flow, selfsealing Jet Valve™ delivers more water per squeeze LeakProof: Lockout mode prevents leaking Cap disassembles for easy cleaning Clean Cap: Keeps dirt and germs out Drink Clean: BPA, BPS, and BPF free Trutaste™ Polypropylene with Hydroguard™ : Taste your water and nothing else