These BSL mason jar lids are crafted from high-quality tinplate, ensuring long-lasting durability while remaining lightweight for easy handling. Each lid features a built-in silicone seal that guarantees a secure, airtight closure, keeping your contents fresh for extended periods. The threaded edge design enhances grip and friction, making it simple to open and close jars with confidence. With 48 lids in a set, you'll have a convenient supply for canning, storing, or organizing your kitchen essentials.
  Perfect for regular mouth mason jars, these leak-proof lids are versatile enough to be used for canning vegetables, fruits, jams, spices, and even for storing small items like screws and nails. Their airtight and silicone-sealed construction ensures no spills, no odors, and prolonged freshness. A great fit for 2.75-inch jars, these lids add convenience and reliability to your home canning process, offering a secure solution for everyday use.