FEATURES: Ideal for bike rides or running Double-wall construction Keeps your water cold twice as long as conventional bottles Fits a variety of bike bottle cages Self-sealing silicone Jet Valve(TM) prevents spills High flow cap for fast hydration Positive lock out for a leak-proof closure TruTaste(TM) polypropylene with HydroGuard(TM) for superior taste Lightweight, ergonomic design makes it easy to squeeze Parts disconnect making it easy to clean BPA/BPS/BPF Free SPECS: Capacity: 21 oz. Dimensions: 2.9" x 2.9" x 9.4" Weight: 3.5 oz.