【Kit Contents】You will receive 20pcs silicone gaskets with 95mm outer diameter, 70mm inner diameter and 2mm thickness, standard size for most standard round cans. 【High-quality Materials】The jar sealing gasket is made of high quality silicone material, soft, elastic, non-slip, easy to clean, with long lasting durability and stability, ensuring the jar sealing is long lasting and effective. 【Efficient Sealing】The silicone sealing jar fits perfectly on the Mason jar lid, providing a strong seal to prevent air and moisture from entering, keeping food fresh, leak-proof and moisture-proof, ensuring worry-free storage for a long time. 【Easy to Use and Clean】The Silicone Jar Seals Gaskets Replacement is soft and flexible and fits easily onto the lid of the Mason jar. It is easy to use and clean, simply wash with warm water. 【Widely Used】Replacement silicone gasket is not only suitable for food preservation, but also suitable for making pickles, brewing, storing spices, etc., widely adapted to the needs of daily life.