Fits Most Wide Mouth Flask: Our Caps are designed for wide-mouth stainless steel water bottles with 2.2” mouth diameter is. Perfectly fit for Hydro wide mouth Flask of 12 oz, 18 oz, 20 oz, 32, 40 oz, and 64 oz, compatible with most wide mouth bottles. Please measure your bottle before placing an order.

Double Twist Lid: This design effectively turns your wide-mouth hydro water flask into a narrow-mouth bottle for easy drinking. The round handle is sturdy and durable, which is an additional function for your convenience. Now you can carry and drink water while traveling.

Say Goodbye To Lost: To replace the cap, you only need to rotate it until it can pull up and open. The narrow-mouth cap is attached to the body of the cap, so you don't have to worry about losing and looking for it! Hinge lock keeps cap out of your way while drinking.

Easy On-The-Go Handle: Made of high-quality materials, the classic design of smooth cover and handle highlights the texture. BPA free, to ensure absolute quality water. In particular, the large handles are designed to with stand large volumes of liquid and ice.

Care & Service: Featuring a durable, leak-proof and BPA-free design, this spout cap comes with 3 months warranty. Wash before first use. This lid is top-rack dishwasher safe. IF you have any question of our lids, please contact our customer service team, we will solve your problem timely.