Comprehensive Fermentation Set: This kit includes everything needed for home fermentation-two 1.5-liter glass jars, matching fermentation weights, airlocks, and all necessary silicone seals and grommets. Ideal for beginners and seasoned fermenters alike, this set is your one-stop solution for creating delicious fermented foods at home. Health-Safe Materials: Crafted from high-quality, lead-free glass, these jars ensure your food remains safe and uncontaminated. The thick, clear glass allows for easy monitoring of the fermentation process, while the materials withstand sterilization in warm water up to 60℃, ensuring a hygienic environment for your culinary creations. Convenient Wide Mouth Design: The jars feature a wide mouth and neck, making it simple to add or remove ingredients. This design not only facilitates easy cleaning but also allows for comfortable handling, ensuring you can maintain the cleanliness and integrity of your ferments without any hassle. Superior Airtight Sealing: Equipped with airtight silicone seals, these jars provide an optimal fermentation environment. The airtight system prevents any outside contamination while maintaining the perfect anaerobic condition necessary for effective fermentation of sauerkraut, wines, fruits, and more. User-Friendly and Maintainable: Designed for ease of use, the fermentation jars are straightforward to set up for your fermenting projects. After use, cleaning is a breeze as the jars are dishwasher safe, making maintenance simple and ensuring the kit is ready for your next batch of fermented goods. Color: As Shown Material: Glass Package Contents: (2 glass bottles + 2 exhaust valves + 2 weights) 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.