EASY FERMENTATION: Enjoy homemade sauerkraut, kimchi or pickled vegetables with confidence thanks to the intelligent Ferment Vent System that releases gases safely. VERSATILE USE: Open valve supports the fermentation process, while the closed valve ensures odourless storage in the refrigerator. NO-MESS HANDLING: Clean and convenient preparation without transferring contents – ferment, store and serve directly in one container. SPACE-SAVING DESIGN: Cleverly stackable jars help keep your fridge or pantry tidy and organised. PREMIUM QUALITY: Durable container, lid and weight made of solid glass for neutral taste and long-lasting use.