Experience professional-grade sealing with our Pressure Sensitive Torque Activated Cap Seals Liners. These sealers are made in the USA and ensure an extra layer of protection for your jars, keeping your products fresh and dry. The polystyrene white foam coating is torque activated, adhering securely after 24 hours without any tools or heat.
  Convenient and compatible, our caps are perfect for wide-mouth glass, plastic ball mason jars, and other round containers. Simply place the insert on the jar, center the cap, apply torque, and wait. Easy to use with no induction or shrink band needed, just peel off when needed. Preserve freshness with these top-of-the-line jar sealers.