Leak-proof: The glass mason jar lid is sealed with a leak-proof silicone gasket, which provides better sealing performance, allowing you to shake the jar easily without worrying about leakage. With these leak-proof plastic covers, you can carry mason jars for camping, hiking, and mountain climbing. The good tightness of the lid provided for the jar can extend the life of the food and no longer waste food.High-quality materials: The reusable regular mouth Mason jar lid is made of high-quality plastic and silicone. It is non-toxic and can be used for many years. The silicone sealing ring is detachable for easy cleaning. Plastic mason jar lids can be safely placed in the dishwasher and can be reused countless times.Convenient to carry and dump: There is an extra handle on the lid, which is convenient to carry or hang on the kitchen, hook, backpack, etc. The beautiful pouring spout allows you to easily pour liquid foods, such as smoothies, juices, jams, water, syrups, household squeezed oranges, etc. Very convenient and practical lid, suitable for wide mouth or mason jar.Color: light gray + light pink + black + light blueSize: 70mm in diameter, 3.5cm in heightPackage Contents: 4pcs mason jar airtight lidWarm prompt:1.As different measuring methods,it will occur 1-3 cm deviation about the items,please ensure that it is okay for you before ordering.2. Because of different monitors and lamplight, the picture may not reflect the actual color of the item, really thank you for your kind understanding3. Only the above package contents, excluding other products.