Single-use rubber gasket seals in three sizes extend the life of Weck's classic glass canning jars. Part of the Weck Rubber Replacement Seals Sets of Ten Collection Weck 5.6 oz. Canning Jar. 3.5" dia. x 2"H

• Natural rubber
• For use with Weck glass canning jars
• Recommended for one-time use
• Made in Sri Lanka