Compatibility: Perfectly compatible with Hydro Flask wide mouth 12, 18, 32, 40, 64oz water bottles, Simple Modern 10, 14, 18, 22, 32, 40, 64, 84, 128oz, Takeya 14, 18, 24, 32, 40, 64oz, Iron Flask 18, 22, 32, 40, 64oz, Klean Kanteen 12, 16, 20oz, Thermoflask 14, 18, 24, 32, 40, 64oz. Please confirm the 2.2" wide mouth size before purchase. One-Button Open Design: No need to unscrew the whole lid. Just press the button to open the water bottle lid with one hand, keeping your other hand free for phone, coffee, or workouts. Perfect for travel, gym, or outdoor activities. Dustproof & Leakproof: The flip-down cover keeps dust out of the drinking spout, while the lid for Hydro Flask wide mouth is inlaid with a silicone gasket to prevent leaks. Enjoy a clean and secure drinking experience anywhere. Safe BPA-Free Material: This replacement lid for 2.2'' Wide Mouth is made of high-quality, BPA-free plastic. It’s odorless, toxin-free, and won’t affect your beverage flavor, ensuring safe hydration for both kids and adults. Easy to Use: This flip lid comes with three silicone anti-slip strips in different colors, so you can mix and match to suit your style. The textured grip makes opening effortless while adding a touch of personality. It also includes a strap for easy carrying. The lid is designed with a silicone anti-slip strip to increase friction and allow you to open the lid effortlessly. In addition, there is also a strap designed to make it convenient for you to carry around. The lid is also dustproof to keep your drinking water clean. One-button open design, free your hands, making your outing more convenient!