What You Get? 80 count wide mouth canning lids(84mm in diameter) for ball, kerr Jars(rings are not included), 100% satisfaction guarantee and our 7-24 hours friendly customer support. Split-Type Design Special Split Design, it's easy to clean, the lids are only for one time use if they are used for water bath canning or pressure canning(Note: Screw the rings down just to fingertip tightness, Do not overly tightenOtherwise, the lids will swell to deform because the inability to release gas when doing water bath canning or pressure canning); if they are used to store spices, seeds, candies, etc, the lids are reusable. Premium Material The canning lids are made of high quality Tinplate material, it's not easy to rust; there is a sealing ring around the edge of the lid, this ensures the good sealing performance, 100% airtight and leakproof, BPA free. Wide Application The canning lids are special designed for water bath canning or pressure canning, so you can use them to can food & fruits & Jams; Besides, you can use them to store spices, seeds, candies, biscuits and other more small objects, or use them to keep drink, tea, coffee, salad fresh; You can also use them to do Halloween/ Christmas/ Birthday DIY decorations. Easy to Mark Label properly sealed jars, wipe the jars and threads clean, write the content and the date on the lids for easy identification and store in a cool, dark place, enjoy freshly homemade foods everytime.