Easy to Use: You just need to remove the old gasket with a tool, and take out a new gasket, then align and press into lid, finally, you can test its tightness. Compatibility: Water bottle sealing rings are compatible with DRINCO 14/18/22/32/40/64oz water bottle lids. Product Material: Water bottle gasket replacements are made of great quality silicone, which are long-lasting, reliable, free and easy to install. They are very safe and healthy accessories. You can use them with confidence. We suggest that you should replace your water bottle seal ring every 4-6 months to protect your drinking water. Leakproof Product: Whether you are exercising, commuting or traveling, water bottle 't leak if you use our water bottle lid gaskets. A tight seal is essential to keep water hot or cold., Weight: 0.04629707502 Pounds, Manufacturer: Aisuoka