One Bottle Hydration - Wide Mouth Flip-top Lid

If you're an existing customer of the 28mm Smartwater system, this is the place to purchase the brand new wide-mouth lid to use the tube with your Nalgene or Hydro Flask! The 63mm wide-mouth Nalgene is an industry standard and fits on Hydro Flasks, Takeya/ThermoFlasks and many more bottles.

The lid is also compatible with both the current model grey Smartwater adapter and the pre-November 2024 black Smartwater adapter!