Replacement Gaskets for ThermoFlask Water Bottles (18/24/32/40/64oz)

Say Goodbye to Leaky Water Bottles & Moldy Water Bottle Gasket

Our water bottle lid can adapt to a wide range, ensuring a perfect fit for all sizes of Thermoflask cups - 18/24/32/40/64 oz. This product serves as a perfect replacement for the sealing rings of two different types of insulated stainless steel water bottle lids, solving all Thermoflask cup seal replacement issues.

Sufficient Quantity & Perfectly Matching Size The set contains 3 complete seal replacement parts, providing a total of 12 pieces. This ensures sufficient quantities to meet daily use and replacement needs, while the sizes perfectly match all Thermoflask cup sizes.

High Quality Material & Not Easy to Deform & Food Grade Made of high-quality silicone, this water bottle ring seal is food-grade, odorless, BPA-free, environmentally friendly, non-toxic, and durable. It will not deform or pose any safety issues even with prolonged use.

Warm & Cold: No need to worry about leaks caused by hot or ice water.

How to Replace It Convenient to Replace: With an easy-to-remove replacement port, no tools are required for replacement. Simply gently remove the existing gasket and insert the new one into the lid, with the protruding side facing up and the flat side facing down towards the nozzle.

Excellent Replacement Parts This water bottle gasket replacement is perfectly compatible with ThermoFlask water bottle lids in 18/24/32/40 oz sizes. After replacement, the cup will still maintain a good seal without any leakage.

Easy to Use & Washable This water bottle lid is very convenient to replace. It can be reused after washing by hand or in the dishwasher.

Complete Replacement Kit The whole set includes 3 complete sets of replacement parts for ThermoFlask insulated cups. It includes 3 silicone gaskets, 3 chug lids, 3 chug spouts, and 3 silicone plugs with air vents.

Extend the Lifespan of Your Water Bottle This silicone O ring seals can effectively replace old gaskets that have accumulated dirt, debris, or lost their sealing ability, thus extending the lifespan of the insulated cup. Regularly replacing the gasket also ensures a clean and hygienic environment for the cup.

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