Leak Proof Silicone Sealing Rings Seals for Ball Plastic Caps

Leak-Proof: Tired of your Mason jar tipping over and leaking into your bag? Our leak-proof silicone sealing rings are the solution. They fit snugly inside one-piece Mason jar lids to keep your food secure and your bag mess-free. Premium Quality: These rings are made from platinum-cured silicone, the highest grade available for food contact. Unlike peroxide-cured silicone, platinum curing leaves no chemical residue. They're uncolored, BPA-free, odorless, and completely food-safe. Designed for a Perfect Fit: Compatible with many one-piece Mason jar lids, including Ball’s gray leak-proof lids (they may bunch slightly): Wide Mouth: 86mm (3.4") outside diameter, 69mm (2.7") inner diameter, and 3.4mm (.13") thick Regular Mouth: 70mm (2.75") outside diameter, 50mm (2") inner diameter, and 2.6mm (.1") thick There's nothing worse than capping your Mason jar with your leftovers with a regular lid, tossing it into your lunch bag, having it tip over, and leak over all everything! Wel