Features: Set of 15 Sealing Rings: You will receive 15 silicone sealing rings that fit most common jar lid seals, enough for you and your family. Good Sealing Effect: This sealing ring is made of silicone material, which can create a sealed environment on glass jars, plastic jars. Versatile: You can put it on glass jar lids to keep your fruits, vegetables, spices, jams, etc. airtight, clean, and crispy. Dimensions: The dimensions of a single seal ring are: Outer Diameter: 95mm, Inner Diameter: 73mm, Thickness: 22mm, for standard "regular mouth" Mason jar lids (3 inch lids), you can choose from 0.35L, 0.5L, 1L, Mason jar in 1.5 liter or 2 liter containers. Great for everyday storage, travel and storing dehydrated food. Great for refrigerator and freezer storage, pantry storage, transporting food or beverages without spills, homemade fermentation lids, and more. Specifications: Material: Silicone Color: Red/White/Orange/Green/Gray Outer Diameter: Approx. 3.74inch(95mm) Inner Diameter: Approx. 2.87inch(73mm) Thickness: Approx. 0.87inch(22mm) Package Includes: 15x Silicone Sealing Rings(Excludes Other Accessories Demonstration in the Picture) note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!