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Product Features:
Restore your old, dirty, or leaking bottle to new with Captain O-Ring’s replacement cap gaskets for Hydro Flask Wide Mouth lids. This gasket is compatible with HydroFlask Wide Mouth Flex Cap, Wide Mouth Flex Straw Cap, Wide Mouth Flex Chug Cap, and Wide Mouth Flex Sip Lid. Please note, this gasket is not compatible with Hydro Flask standard caps, non-flex caps, and any other brands or models beyond those listed and shown in the photos. Molded from FDA Grade silicone, these gaskets are BPA-Free and Food Grade. Unlike some of the inferior aftermarket gaskets out there, these are molded from an exact mold of the gasket that came with your bottle when it was brand new. That means your new gasket will fit right into your cap and seal exactly like it did when you first owned it. Don’t replace your whole bottle or cap when it’s just a leaky gasket seal that needs replacing to get your bottle and cap sealed back up to new performance. Dishwasher safe, and safe to use with hot or cold drinks, just like the gasket that came with your bottle and cap when it was brand new!