DescriptionMason jar lids are durable and practical for long-term use. It helps you seal the mason jar to keep dust and dirt from getting in and contaminating your food. The lids are perfect for small to large mason jars and canning jars.Features- Material: Tinplate. - The sealing ring inside the jar lid makes the Mason jar lid have a good sealing performance, keeping the contents of the jar fresh for you. - Tight seal ensures that it is suitable for keeping food, grains, seasonings, beverages fresh. - The tinplate material is safe and durable, wear-resistant and practical, and can be used for a long time. - Compatible with regular mouth mason jars and bottles, enough for you to use and share with your friends. - They stay securely fastened and reduce the risk of messy leaks when carrying or traveling.