Reusable Food-Grade Airtight Rubber Seals for Wide & Reg Mouth Ball, Kerr and Mason Jar Plastic Canning Storage Lids, Cotton Millz WIDE Mouth 3&rdquo; & REGULAR MOUTH Silicone Seal 2.5&rdquo; (6 each) reusable, bpa free, wide mouth, regular mouth, mason jar seals