- SUPERIOR QUALITY: Leak Proof, Air Tight, Durable, & Better Design Than Competing Products! Designed for Ball plastic storage caps, Mason Jar Lifestyle stainless steel storage lids, and many other lids. Our rings are thicker and have a groove for a secure fit. The groove goes up, toward the top of the lid.
- THE SAFEST OPTION: BPA and Plastic Free. Made of platinum-cured silicone rubber, these seals are dishwasher, freezer, and microwave safe. Silicone is a safe, green, material for food contact, that does not leach chemicals. Platinum-cured silicone is more expensive and has higher purity than peroxide-cured silicone.
- VERSATILE: Perfect for fridge and freezer storage, pantry storage, transporting food or beverage without leaking, homemade fermenting lids, and much more! Also fits some bail, lightning, and wire clamp lid jars. Not for canning.
- Outer Dia 45 mm, Inner dia 38 mm, thickness 3.5 mm, Colour: White
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