Package ContentsYou will receive 12 pieces of silicone canning seals, a quantity sufficient for your daily use and replacement. Sealing & ReplacementThese seals can replace the broken or old seals of your glass jars and help the jars to create an airtight and leak-proof seal to preserve your food without odour contamination. High MaterialThese replacement jar seals are made of high quality silicone, soft and durable, safe to use in the fridge, not easily deformed or broken, easy to replace and keep the food inside the jars clean. Universal] Each jar seal replacement has an outer diameter of 9.5cm, an inner diameter of 7.3cm and a thickness of 0.22cm/0.09", suitable for Mason jars and most regular or wide mouth jars or bottles. Note: The jar seal is soft and can be stretched slightly to fit the can. VersatileOur silicone canning seals can be used to store your fruits and vegetables, homemade foods, toiletries, paints, crafts and more, perfect for fridge and freezer storage, pantry storage, food transport and more.