Description Made of supple silicone, the Sealing Rings for mason jar lids will stretch slightly to fit well. The old silicone seals are easy to wear out after a long time of use, you need to replace the seal ring to make it work better, airtight sealing, and protect your jars. Features - Color: White -Material:Silicone - Size: 8.60X8.60X0.50cm/3.38X3.38X0.20in - Food-grade silicone material, which allows lid seal ring to be in direct 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 be used as sealed fermentation lids, and you can also bring some travel necessities to prevent liquid things from leaking. Food-grade silicone material, which allows lid seal ring to be in direct 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 be used as sealed fermentation lids, and you can also bring some travel necessities to prevent liquid things from leaking.