About this item

• 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.
• 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 old one, the cup will still maintain a good seal without any leakage.
• Food-Grade Material : This water bottle ring seal is made of high-quality silicone. The food-grade material is odorless, BPA-free, environmentally friendly, non-toxic, and durable. It will not deform or pose any safety issues even with prolonged use.
• Complete Replacement Kit: This comprehensive set consists of three full sets of replacement components for ThermoFlask insulated cups. It features 3 silicone gaskets, 3 chug lids, 3 chug spouts, and 3 silicone plugs equipped with air vents. The quantities provided are sufficient to satisfy everyday usage and replacement requirements.
• Easy to Use & Washable : This water bottle lid is very convenient to replace. 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. It can be reused after washing by hand or in the dishwasher.