Packing list: 50 jar lids. Size: 3.38 inches/8.6 cm in diameter. [Color] The color of the lid is silver, simple and stylish. In addition, you can use a marker to mark food-related information on the lid, or write the date on the lid to help you record the time of food production and purchase. [Good tightness] The seal is leak-free and tightly sealed. The lid of the jar is equipped with a silicone ring. The canned lid is suitable for keeping food, grains, seasonings, and beverages fresh. You don't need to worry about the leakage of sealing material contaminating the kitchen or other places. [Material]The Wide Jar Lids are made of tinplate, and there is a layer of silicone ring inside and can be reused many times.canning lids are resistant to high and low temperatures, so canning lids are suitable for refrigerators, dishwashers and microwave ovens, you can use Canning Lids to replace your rusted metal lids The lid can be used to store leftovers, fresh sauces or juices, dry goods