These swing top glass bottles are designed for fermentation and storage of homemade beverages. Made from thick, durable glass, they are suitable for hot or cold environments and can be cleaned in a dishwasher. The airtight seal, created by a stainless steel buckle and silicone stopper, helps prevent leaks and retains carbonation in drinks. The bottles are versatile for storing kombucha, beer, soda, wine, juice, and other liquids. Each set includes extra silicone seals, waterproof labels, a pen for labeling, 2 funnels, and 2 pourers for convenience. The packaging uses protective materials to reduce the risk of damage during shipping. Color: Clear.