Have been designed for most ordinary mouth cans or jars. Use with stainless steel clip system of clip top jars to keep your food fresher for longer. Premium material: Airtight rubber gasket made of silicone material, not absorb , good sealing, reusable and , which is very safe and your family to use. It is easy to replace the gasket as you need. Applications: The old rubber seal is easy to wear out after a long time use, these replacement silicone seals are fine replacements. They can be applied for airtight sealing to keep your fruit, vegetables, jams, sauces preserved, it is effortless to wash, you can simply add a little soap and wash them with warm water., Weight: 0.3747858454 Pounds, Manufacturer: Reeatel