4 Pack Mason Jar Lids, Wide Mouth Pour Spout Flip Cap Lids for Ball product Mason Jars, Leak Proof Airtight for Drinking Salad Dressing & Food Storing Value Pack for Mason Jar Enthusiast: Includes 4 pack plastic mason jar lids (2 blue 2 red), versatile lid can turn your mason jar into a water bottle for drinking and pouring, storing a variety of liquids and foods, such as salad dress, syrup, ice tea, and nuts. (Perfectly match Ball-product wide-mouth jars, not included in the package) Upgraded Silicone Gasket: has greatly improved the material and sealing structure of the inserted silicone ring, for a airtight, leakproof seal that prevents spills and leaks. Durable & BPA Free Material: Our exclusively-designed wide mouth mason jar lids are made of strong and reusable plastic, easy hand wash and dishwasher clean, and absolutely refrigerator safe. User-Friendly Design: The convenient design embody most vividly, such as stepless adjustable flip cap making the cap never flip down freely when drinking from the jar/ and smooth spout for easy drink & pour/ groove surface for easy opening/ leak-proof snap-shut closure/ solid & comfortable handle. Tips: This is for wide mouth mason jars, not for regular mouth. Please use it with Ball-product jars instead of others.)