Suitable size to use: these canning jar replacement metal rings measure approx. 70 mm/ 2.76 inch in outer diameter and 56 mm/ 2.21 inch in inner diameter, suitable size to fit your regular mouth canning jars and bottlesSufficient quantity to use: you will receive 24 pieces screw jar bands in silver color, enough quantity to satisfy your various use and replacements, can help seal your home canned foods airtight and fresh for long timeDurable and reliable: these metal bands rings are made of tinplate material, durable and reliable to use, can withstand high and low temperature, smooth surface not liable to crack, flake or corrode, safe for refrigerators, microwave ovens and dishwasher, good material that can accompany you long time; The metal jar bands are recommended to dry with a cloth after washing to prevent rusting for goodWidely applicable: these canning jar replacement rings are compatible with most mason jars, suitable for paired with most bottle, jar to store fruits, cookies, candies, salad, milk, smoothies, tea, coffee, screws or other small objects, come with good sealing, can rest assured to useAirtight sealing performance: our sealing rings can make any plastic or metal lid leak proof and air tight, each jar sealing ring features small grooves design for tight and secure fit, not easy to slip or move around, good to protect the food in your jars safe and fresh