【12Pack Mason Jar Lids】Comes with 6pack Regular Mouth mason jar lids, bamboo lid tops Maximum diameter: 2.75", Fit for 16oz, 8oz, 4 oz or any other standard mason jar. These Storage Canning Jar Lids have a removable silicone cover underneath, Sufficient amount of bamboo jar lids for you to use and share with your family 【Acacia Wood Material】 Regular Mouth lids are made from acacia wood, Reusable, easy to clean, dishwasher safe, not easy to deform, and BPA-free. These acacia wood lids have a very smooth surface so they won't stab your hands. Mason jars can add color to your kitchen, bathroom, and other home environments. 【Practical Lids 】 The Storage Lids can be matched with the regular mouth of the glass bottle lid to store fresh juices, seasonings, spices, fruits, snacks, cereals, pasta, jewelry earrings and other small accessories. Organize small items for you to make life simpler and more comfortable. It is also the best gift your relatives and friends 【Air Tightness】 These bamboo lids have a silicone ring, without straw holes, creating an airtight storage environment that keeps your food fresh. The silicone ring can block the air and prevent the food from spoiling. Can be used to store fresh sauces or juices, dry storage, spices and more 【Maintenance Precautions】 After cleaning the bamboo cover, please place it in a dry and ventilated place, dry it, and keep it dry. Try to avoid prolonged exposure to damp places