Quantity: each set contains 24 packs mason jar lids 70mm / 2.8 inches in diameter, 16 mm / 0.6 inches in height; These mason jar lids are only suitable for standard mud pots, but not for other types of wide-mouth bottles.Material and design: made of good quality stainless steel, durable and lightweight, built-in silicone seals ensure that the lid can be securely sealed; The edge of mason jar lid is designed with thread so that increasing the friction force to open the jar.Feature: the metal cover is durable, not easy to damage and can be repeated to use; At the same time, Our mouth mason jar lid is different from other plastic covers, and its composition does not contain BPA substances or other plasticizers.Good sealing performance: the stainless steel jar lid has good sealing properties, so you don"t need to worry about leaking problems that can contaminate the kitchen or other places after seal.Apply to: suitable for sealing the mason jars that stored spices, sweets, biscuits, fruits, jams, soft drinks, tea or coffee, nails, screws and other small objects. Our products are made with the splendid quality materials and are designed to provide you with the best possible user experience.