This glass pickle jar features a transparent glass construction, allowing you to clearly observe the entire fermentation process while making it easy to clean by seeing residue directly. The unique water-seal design creates a pure fermentation environment: simply pour water around the bowl lid to form an airtight seal, effectively blocking external odors, dust, and harmful substances. It restores the authentic taste of traditional fermentation, ideal for making sauerkraut, kimchi, pickled vegetables (onions, garlic, cucumbers, etc.), brewing wine, sauces, jams, and more. With a 2.5L (0.66 gal.) capacity, it suits families of 2-5 people. The thickened glass is sturdy and durable for long-term use. Operation and maintenance are hassle-free: add water to the lid’s edge for an airtight seal during first use, and replenish water weekly to maintain effectiveness. Clean with kitchen detergent, dry thoroughly, and store in a dry place for next use. From traditional fermented delicacies to modern storage needs, this jar combines visibility, ease of use, and versatility, making it a practical choice that blends heritage and innovation in the kitchen.