Perfect Fit & Size Precision: Specifically designed for regular mouth jars, these 70mm (2.76 inch) outer diameter bamboo lids feature a 58mm (2.28 inch) inner diameter. Accommodating any straw under 8mm/0.31 inch via a 10mm straw hole, these lids a snug, leak-proof fit for a of glassware. Eco-Friendly & Safe: Crafted from natural bamboo, our lids offer an eco-conscious alternative to plastic. They are , ensuring no harmful chemicals contaminate your beverages. and easy to maintain, these lids promise and safe usage for all your drinking needs. Leakproof Assurance: Equipped with a silicone ring and seal, our bamboo lids a tight seal to prevent any spills or leaks. The design not only enhances the lid's functionality but also simplifies cleaning, as the silicone components are easily removable. Care Instructions for : To the durability of your bamboo lids, avoid using hot water above 85/185 for cleaning. Store the lids in a dry place when not in use, and avoid lengthy exposure to humid environments to prevent warping and maintain quality. Versatility for : Compatible with most regular mouth canning jars and glass cups (16oz, 20oz, 24oz), these lids with straw holes are perfect for events with family and friends, offering a stylish and practical solution for your beverages. Colour:As Shown Material:bamboo wood Package Contents: 20 * cover Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.