【Certified and Safe】 Having passed the strict testing, the materials are safe and reliable, free from any toxic substances such as BPA, lead, and PAES. You can use it with complete peace of mind, ensuring your health is well-protected 【Fits 2.28"Wide Mouth Bottles】Ideal for 12 - 64 oz Hydro Flask, Takeya, Iron Flask, Simple Modern wide - mouth models. ✱Not for: Narrow - mouth bottles, Hydro Flask Growler, TAL，Hydrapeak，YETI, Nalgene 【Smooth Spout Design】 The smooth and clean spout can greatly stimulate your desire to drink. It provides a more comfortable contact with your lips when drinking, bringing you a pleasant drinking experience 【Flexible Handle, Convenient and Practical】 The wide and flexible handle is convenient to carry easily with three fingers. It can rotate flexibly during exercise, effectively reducing the finger pressure when the bottle is filled with beverages. When drinking, the lid can be fixed on the handle to avoid the lid from falling 【Excellent Leakproof and Hygienic】 The lidded cap can effectively isolate the beverage from external contact, ensuring beverage hygiene. The thicker and wider seal design offers excellent leakproof performance. You can rest assured to put the water bottle in your backpack and keep your items dry when going out Replacemen spout lid for Hydro Flask 2.28" wide mouth water bottle