Fits BALL, KERR and More - Fit 2.75 in (70 mm) Outer Diameter Mouth Jars.caps fit any size Ball or Kerr glass jars. Fit small 4oz regular jars all the way to large 64oz regular jars. They are great gifts for friends who love canning jars for kitchen storage and food prep. Versatile Leak-proof Storage - for the freezer and refrigerator as well as dry and liquid storage, such as grains, candies, fruits, , 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 them 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 them outdoor such as milk, smoothies,ring is the great help for leak-proof Item condition: Leakproof for storing or freezing with regular mouth glass preserving jars. VERSATILE STORAGE 1.Fits ball or kerr regular mouth jars. 2. for the freezer and refrigerator as well as dry storage DISHWASHER SAFE free, grade, temperature tolerance up to 240 Fahrenheit. colour: Random Color Random colors cannot be Material: plastic size: Diameter: 7cm Package Contents: 36 x cover(6 random colors, 6 each) Care and Cleaning: 1. All parts of jar lids are dishwasher safe. 2. Do not use steel wool, bleach or strong abrasive cleaners. If you decide to hand-wash, use mild detergents and warm water. Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.