24oz/64oz Wide Mouth Straw lid + Silicone Straw + Straw Brush for Takeya ThermoFlask 24oz/64oz or Hydro Flask 64oz 1st Generation/Original Growler WIDE MOUTH - Fits 24oz by Takeya ThermoFlask only, Takeya 64oz or Hydro Flask 64oz 1st generation/original growler. Not compatible with new Hydro Flask Growler Lid bottles with Fresh Carry System. DURABLE TIP - Unlike other cheap imitations, our straw tip is made from durable TPU for stain/odor resistance and adds comfort to your lips. TPU is non-porous and will not develop mold. BEST STRAW - Our exclusive flexible silicone straw grasps and stays attached to cap stem - will not fall off randomly like competitive brands' rigid plastic straws. PRECUT STRAW - Silicone straw is factory precut to bottle height to save you the hassle of measuring and trimming. GUARANTEED FIT - Perfect fit threading keeps your lid on tight and secure. No leaks or pop-offs.