Description This is a set of mason jar lids, which are manufactured with premium bamboo material, durable and practical enough to use. Each reusable jar lid is in the shape of round, designed with the silicone ring below, which has good sealing property and is flexible to fit regular or wide mouth jar, which bring you a comfortable use experience. Features -Material: Bamboo - With the silicone ring, the bamboo lids fit wide mouth mason Jar, and other canning jars perfectly. - With a straw hole, the bamboo mason jar lids are compatible with most straws. - Taken from naturally grown bamboo, these bamboo lids are light, and not easily deformed. - They are great for coffee mason jar. Please clean and keep dry every time after using. - The mason jar lids can be used for a long time and will prevent your beverage from dust. With the silicone ring, the bamboo lids fit wide mouth mason Jar, and other canning jars perfectly. With a straw hole, the bamboo mason jar lids are compatible with most straws. Taken from naturally grown bamboo, these bamboo lids are light, and not easily deformed. They are great for coffee mason jar. Please clean and keep dry every time after using. The mason jar lids can be used for a long time and will prevent your beverage from dust.