Product Description Material: Silicone Dimensions: The inner diameter of the ring is 6.9cm, the outer diameter of the ring is 9.5cm, the thickness is 0.22cm Color: White, Orange, Green Quantity: 12 pcs Package includes: 12 * Mason jar lid sealing ring 1.[Package contents] A total of 12 silicone gaskets are included, enough for daily use and replacement. 2.[high material] : These replacement glass seals are made of high quality silicone, soft and durable, freezer safe, not easy to deform or break, convenient to replace and keep your canned food clean. 3.[hermetic and exchange]These sealing rings can be used in place of broken or old jars to create an airtight and leak-proof seal for your mason jars to keep your food in good shape without worrying about odors. Four.[Universal] : Each jar seal is 3.75" OD, 2.75" ID and 0.87" thick to fit mason jars and most regular or wide mouth jars. Note: The jar seal is soft and will stretch slightly to fit the can. Five.[wide range of applications]Our silicone mason jar sealing rings can be used to store fruits and vegetables, homemade foods, toiletries, paints, handmade products and more.