Jug Buddy Straw Lid for Hydro Flask Wide Mouth and Lifeline Style Bottles, 2 Straws Jug Buddy Straw Lid Fits Hydro Flask Wide Mouth Bottles (18oz Wide Mouth, 32oz, 40oz, and 64oz) Will Fit Other Bottle and Growler Brands including Lifeline with a Mouth Diameter of 2.3" (58mm) Includes Two Straws and Straws are Easily Cut to Length of the HydroFlask or Other Water Bottle Finger Ring Can be Used With Carbineer, Rope, or Backpack Straps Made from strong, rigid plastic, with just enough give for comfort, but built for durability