Complete Fermentation Kit: You will get 32 oz fermenting jar, weight, fermentation lid and airlock. It includes everything you need for fermentation without the need to buy it separately or worry about compatibility issues. Premium Quality Materials: The 32oz fermentation jar is made of thick glass, evenly weighted fermentation weights, wide mouth fermenting lids is made of stainless steel, and the airlock is made of food grade PC material. These good quality materials ensure a safe and efficient fermentation process. Easy to Use: Simply fill the one-way airlock halfway with water and the fermentation gas will be released smoothly, preventing overpressurization in the tank. It also blocks out outside air, ensuring a pure fermentation environment and increasing success rates. 2-in-1 for Fermentation and Storage: The fermentation lid comes with a silicone plug that allows you to remove the airlock after fermentation to seal it, preserving the fruits of your fermentation. All components are easy to clean and reuse. Versatile Fermentation Solution: Perfect for making kimchi, sauerkraut, pickles and more. This comprehensive sauerkraut kit makes fermentation easy for beginners and efficient for experienced users, providing a safe, healthy way to prepare and preserve food. Color: Transparent Material: Glass+Metal Package Contents: 3 x Mason Jar Fermentation Kit Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.