Perfect Fit: Compatible with Hydro Flask Standard and Narrow Mouth water bottles. Easy One-Touch Open: Simply press the button to automatically open the lid when unlocked. Leak-Proof Lock: Features a secure lock mechanism that guarantees 100% leak-proof performance, making it ideal for carrying in bags. BPA-Free & Food-Grade Material: Made from non-toxic, food-safe materials, ensuring your health and safety. Convenient Handle: Equipped with a handle for easy carrying or attaching to bags, offering ultimate portability. Compatible with Hydroflask STANDARD MOUTH water bottle and below brand and size
Compatible with Hydro Flask 18 21 24 oz
Compatible with Simple Modern Ascent Water Bottle 17 20 24 32 64 oz
Compatible with Klean Kanteen Classic Bottle 12 18 27 40 64 oz Compatible with Iron Flask 12 16 20 24 32 64 oz
Compatible with The Coldest Water Sports Bottle Standard Mouth 21 oz

NOT for All WIDE MOUTH
NOT Compatible with Hydroflask Wide Mouth
NOT Compatible with Simple Modern Summit
NOT Compatible with Klean Kanteen Soda Bottle