Thermo Armour 32oz Wide Mouth Straw lid + Silicone Straw + Straw Brush for Hydro Flask & Takeya Bottles WIDE MOUTH - Fits 32oz wide mouth bottles by Hydro Flask & Takeya. 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. GUARANTEED FIT - Perfect fit threading keeps your lid on tight and secure. No leaks or pop-offs. Contents include (1) straw lid, (1) straw & (1) straw brush. Also available in a 2-PACK for extra savings.