SIMPLE TO USE - Combine our seal with Ball's plastic lids to create an airtight, leak-proof seal on wide mouth mason jars. Our mason jar seal snaps securely into the lid and will not fall out. Other flat seals can fall out of the lid before you can put it on the jar.
REUSABLE - Made of FDA food grade, BPA free, dishwasher safe plastics, these lids seals can be used over and over.
DURABLE - The seals are molded of thick, high grade silicone, these gaskets are built to last.
PACKAGE INCLUDES 8 LIDS AND 8 SEALS – for a complete matched set of lids and seals.
NOT FOR CANNING - These lids and seals are for storage purposes only and cannot be used for canning. Seals are not for use with metal lids. Not for use with Fido, Hermes or other clamp lid jars.