When shopping for preserve jars, SKS offers classic style jelly jars with gold plastisol lined caps. The straight sided walls for labeling and the wide mouth openings assist in easily accessing the products within the preserve jars. The gold metal caps include plastisol liners that, when activated, will seal the preserve jars with an airtight hermetic seal for maintaining freshness. Be sure to test these preserve jars with gold plastisol lined caps with your food products to ensure complete compatibility.