Fits BALL, KERR and More - Fit 2.75 in (70 mm) Outer Diameter Mouth Jars.caps fit any size Ball or Kerr glass mason jars. Fit small 4oz regular jars all the way to 64oz regular jars. They are great gifts for who love canning jars for kitchen and food prep. Versatile Leak-proof - Perfect for the freezer and refrigerator as as dry and liquid , such as grains, candies, fruits, pickles, salad, milk and smoothies, etc. These lids can be used individually without silicone rings. If you store dry food such as grains, candies, or liquids(no turning over or shaking), silicone ring is not necessary. If you store liquids and then take outdoor such as milk, smoothies,ring is the great help for leak-proof These lids can be used individually without silicone rings. If you store dry food such as grains, candies, or liquids(no turning over or shaking), silicone ring is not necessary. If you store liquids and then take outdoor such as milk, smoothies,ring is the great help for leak-proof Item condition: New Leakproof perfect for storing or freezing with regular mouth glass preserving jars. VERSATILE 1.Fits ball or kerr regular mouth mason jars. 2.Perfect for the freezer and refrigerator as as dry DISHWASHER SAFE free, grade, temperature tolerance up to 240 Fahrenheit. colour:Random Color Random colors cannot be Material:plastic size:Diameter: 7cm Package Contents: 18 x cover(6 random colors, 3 each) Care and Cleaning: 1. All parts of mason jar lids are dishwasher safe. 2. Do not steel wool, bleach or strong abrasive cleaners. If you decide to hand-wash, mild detergents and warm water. Only the above package content, other products are not included. Note: Light and different displays may the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.