Nathan SpeedMax Plus (22oz) Hydration Belts & Water Bottles Vivacious : Lightweight and ergonomic, the Nathan SpeedMax Plus water bottle allows for grip-free running with a fully-adjustable hand strap. It provides chafe-free comfort with a secure thumbhole. The 22 ounce SpeedDraw flask features a Push-Pull Blast Valve(TM) for a quick burst of hydration. Expandable zippered pocket fits up to the iPhone 6. Large cap opening allows for easy cleaning and adding ice cubes. 3M(TM) reflective on the back of the hand for low-light visibility. Dishwasher safe on the top rack. BPA-free bottle.