FEATURES: Insulation keeps water cold twice as long High flow, self-sealing Jet Valve delivers more water per squeeze & Leak-Proof: Lock-out mode prevents leaking Optimized Hand Fit: Comfortably carry in your hand & Carry Loop: Quickly grab and go TrutasteTM Polypropylene with HydroguardTM: Taste your water and nothing else Drink Clean: BPA, BPS, and BPF free