Bamboo Cap Lid Reusable Mason Jar Lids 70mm 86mm with Straw Hole and Silicone Seal Drinkware for Canning Drinking Jars Top Bottle Cover

How to Avoid Mold: 1. Clean the lid after use. 2. Do not use water higher than 85 degrees. 3. When not in use, do not store any liquid in a glass bottle. 4. Not suitable for preservation or immersion in water. Features: Leakproof Cover:Differ from other plastic or stainless- steel lids. Our bamboo bottle caps are made of high-quality materials and are equipped with a removable silicone ring underneath, which can prevent your jars from warping and form an airtight seal, sturdy, durable and leak-proof, helping your jars stay fresh. which is biodegradable, eco- friendly, light and not easily deformed