TIGHT SEAL TO STORE ALL THE GREAT THINGS YOU FERMENT - kombucha, kefir, wine or beer. PRESERVE your homemade apple juice, grape juice, syrups or sauces;REFILL your growler with whatever you make at home. Perfect for storing fermented drinks like Kombucha!;ORDER ONE NOW and if you are not absolutely satisfied for any reason, simply contact us and we will happily refund your money!