At Home Fermentation KitThis beautiful terrine style glass jar made by Le Parfait have straight sides with a wide opening which makes it very easy to fill and access ingredients. It is food safe, dishwasher safe, and durable. The cap keeps everything clean, the spring keeps ingredients submerged, the press keeps ingredients from floating and the jar is made of durable glass. Kit contains: moat & gasket, spring, press, cap, ring, screw lid, sealing cap, and glass preserving