DescriptionMade of supple silicone, the gasket sealing rings for vacuum bottle lids will stretch slightly to fit well. The old silicone seals are easyto wear out after a long time of use, you need to replace the seal ringto make it work better, airtight sealing, and protect your jars.Features-Color:White -Material:Silicone -Size:7.50X7.50X0.26cm/2.95X2.95X0.10in - Food-grade silicone material, which allows lid seal ring to be indirect contacts with food, lid seal ring is tasteless to food. - Supple and smooth, easy to clean and reuse, rubber gasket for glass jars can better keep food Fresh and dry. - It has super usability and is a must-have silicone seals for glass jars for families. The lid of the can is more sealed. - Canister replacement gaskets can be used in low temperature conditions, can be used in refrigerators or freezers. - And they are not afraid of alcohol corrosion, so they can also beused as sealed fermentation lids, and you can also bring some travelnecessities to prevent liquid things from leaking.