1.Wide Uses:Bottles are constructed of durable transparent clear glass. Looks great on any table setting, both casual and formal.You can see what's bottled inside. Perfect for brewing kombucha,Homemade Juices,Oil,Vinegar,Beverages,Water, and much more. 2.Recyclable and Environmentally:Bottles made of nontoxic materials are recyclable and environmentally responsible.By using these reusable glass bottles, you can cut down the use of plastic in your house. 3.Fresh and Delicious:Stoppers with stainless steel closures,and silicon gasket to lock in freshness and flavor.This mechanism is simple yet effective and easy to open and close, while ensuring a complete seal that extends shelf life.Ensure your drinks inside as fresh and delicious as the day you stored it. Glass bottles can also be placed in the refrigerator to keep your drinks cold. 4.Guarantee:Bottles are packaged in double bubble bags and thick carton box to prevent damage in transport.Maybe, sometimes accidents happen during shipping. If you are in any way unsatisfied with our brewing bottles, please let us know and we'll do our to make sure you are satisfied.