Description This is a set of mason jar lids, which are made of premium materials, safe and practical enough to use. Sustainable bamboo material lids are safe, strong, durable and beautiful. With silicone sealing gasket would seal the jar properly, no leakage problem. Fits for regular or wide mouth mason jar and canning jars perfectly. Features -Color: As Shown -Material: Bamboo -Size of the Small Mason Jar Lid: About 7.00X7.00X2.20cm/2.76X2.76X0.86in -Size of the Large Mason Jar Lid: About 8.60X8.60X2.20cm/3.38X3.38X0.86in - Manufactured with premium bamboo material, these bottle lids are durable enough to use. - These practical mason jar lids can meet your daily usages or replacements - Bamboo lids for mason jars are to clean, which will not get rusty or deform, pretty safe for dishwasher and refrigerator, lids are reusable, and durable after mutiple uses. - They can also work with smoothie cup, mason jar, coffee mug and cup. - 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. Manufactured with premium bamboo material, these bottle lids are durable enough to use. These practical mason jar lids can meet your daily usages or replacements Bamboo lids for mason jars are to clean, which will not get rusty or deform, pretty safe for dishwasher and refrigerator, lids are reusable, and durable after mutiple uses. They can also work with smoothie cup, mason jar, coffee mug and cup. 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.