Quality Bamboo Material: these mason jar lids with straw holes are made of quality bamboo material, which is safe, no deformation, and they are easy to clean, so you can use them for a long time with confidencePackage information: you will receive enough bamboo canning jar storage lids, 70 mm/ 2.75 inch regular mouth jar lids in bamboo color, enough quantity to meet your daily use or share with your friendsLeak Proof and Sealed Storage: there is a silicone ring with each jar drinking lid to prevent leakage, which is useful and can help you store things well, so you can choose with confidencePractical Accessories: the bamboo jar lids are equipped with stainless steel straws and straw brushes, convenient for drinking and easy for cleaning straws, which can assist to create some novel party beverage and children's straw cupWide Compatibility: each of the bamboo lids for beer can glass has a silicone ring, which is detachable, and can match with most mason jars, cans, water cups and food storage tanks, so it is reusable, and can save you more living expenses.DO NOT use water above 85C, please wash by hand and keep dry after use.Don't store any liquid for long time in the mason jar to avoid mildew.Store in a dry place at room temparature.size:70mmMaterial: bamboocolour: Wood colorPackage Contents:30 x Yogurt Jar LidsOnly the above package content, other products are not included.Note: Light 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.