We suggest that you should replace your water bottle seal ring every 4-6 months to protect your drinking water. 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. Easy to Use: You just need to remove the old gasket with a tool, and take out a gasket, then align and into lid, finally, you can test its tightness. 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. Colour:White Material:Silica gel Package Contents: 3 x spout lid sealing rings 3 x vent hole gaskets 6 x washers that suitable Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.