These white ribbed plastic caps feature tri-foil #3 induction liners to help maintain the freshness of your product. The cap liners are printed with the words "Sealed for Freshness" and can be easily applied with an Induction Cap Sealing System, such as our Enercon Super Seal Jr. These plastic caps are compatible with our clear PET food jars and can be purchased in bags of 72 or bulk cases for greater savings.