Beautiful and useful plastic jar lids Traditional Mason jar lids are made of iron, which has a disadvantage when used as a storage Mason jar lid - it rusts easily. Rusty lids can affect the food inside the jar, using plastic lids can be the perfect solution to this problem. Our jar lids are made of food grade material, safe and reliable and will not rust, perfect for storing cereals, candy, fruit, pickles, salads, milk and smoothies. Upgraded Mason jar lids Better quality We have increased the weight of the lid, thicker lids are thicker and more stable, more durable, the color of the lid after thickening is also more pure and beautiful, with a good texture. The upgraded lids A fixing ring is added to the inside of the lidCan strengthen the lid to make the lid more stable.Can wrap the bottle mouth to strengthen the cap's leak-proof function.Can fix the silicone ring, so that the silicone ring is not easy to fall off. High quality material The lid is made of high quality PP, safe and reliable, BPA free.The silicone ring is made of food-grade silicone, you can use it without worry. The precise size is better leak-proof. Wide range of applications These colorful plastic wide mouth Mason jar lids are perfect for Ball,Kerr and many more brands. You can use them to store cereals, candy, fruit, pickles, salads, milk, smoothies and more. The multi-color will make your kitchen less monotonous and more interesting.