Seal the Deal! 🔒 Your Mason jars just got an upgrade. Designed specifically for regular mouth Mason jars, ensuring a snug seal. Crafted from .3mm 18/8 304 grade stainless steel for long-lasting use. Support a family-run Colorado business with a commitment to exceptional service. Includes high-quality platinum silicone liners that prevent spills and mess. Ideal for fridge, freezer, and on-the-go snacks—your new kitchen essential. BPA-Free Leak Proof Dishwasher Safe The Mason Jar Lifestyle Rust Proof Stainless Steel Storage Lids with Silicone Seals (5 Pack) are designed for regular mouth Mason jars, offering a durable, leak-proof solution for all your storage needs. Made from high-quality stainless steel and featuring superior silicone liners, these lids are dishwasher safe and BPA-free, making them a safe and convenient choice for modern kitchens.