Package Included】: 9 white wide mouth plastic mason jar lids, suitable for all kinds of 3.38 inch (86mm) outer diameter mason jars. 【Upgraded Lid】: We have increased the weight of the lid, the lid is thicker, more textured and more durable than ordinary lids 【Safe material】: The lid is made of food-grade PP material, and the silicone ring is also food-grade. BPA free, no rust, safe and reliable. Can be reused. 【Ingenious design】: A ring is added inside the cover, which has a good leak-proof effect, and can fix the silicone ring at the same time, and the leak-proof effect is better after using the silicone ring. The silicone ring is detachable, easy to use and easy to clean. 【Wide range of uses】: These plastic jar lids are suitable for BALL, KERR, wide mouth jars of various brands, you can use them to hold cereals, candies, fruits, pickles, salads, milk and smoothies, etc.