Seal your glass and plastic mason jars with our pressure-activated jar sealer. Provides an extra layer of protection against leaks and preserves freshness. Easy to use: simply press the insert over the jar opening, wait for 24 hours, and remove. Perfect for canning, preservation, and protecting your herbs, spices, or other dry products.
  Fast and reliable sealing that keeps your products fresh. No induction sealer or shrink band needed, just press and peel. It's made in the USA, ensuring durability and quality. Perfect for regular mouth jars and other round neck containers.