Reusable Seals for *REGULAR MOUTH* Jar Lids.for Regular Mouth Jars are 2 3/8 inch Internal Diameter and those *REGULAR MOUTH* sealing rings are seals are 70mm (2.75 inch) outside diameterLeak Proof, Air Tight, Durable, & Better Designed! Designed for Ball garage caps,torage lids, and many different lids. Our rings are better than opponents by being made thicker and with a groove for a safe fit. The groove goes up, towards the top of the lid.these seals are dishwasher, freezer, and microwave safe!VERSATILE: Perfect for fridge and freezer storage, pantry storage, transporting food or beverage without leaking, homemade fermenting lids, and much more! Not for canning.One piece plastic or metallic storage lids are great convenient while you are storing issues in the fridge or pantry, yet most of them should not air tight and leak proof. These seals will fix that!Holding the lid under sizzling operating water might help if you are having hassle cutting off the lidcolour:whiteMaterial:Silica gelsize:The steady mouth seals are 70mm exterior diameterPackage Contents:24*Gaskets Sealing Rings,Jars and Lids aren't includedOnly the above equipment content, different merchandise are usually not included.Note: Light reflection and different displays can cause the color of the item in the photograph somewhat different from the genuine thing. The dimension allowed error is +/- 1-3cm.