Fermentation Kit – Complete Set for Homemade Fermentation Includes 4 glass fermentation weights, 4 wide-mouth 304 stainless steel fermentation lids, 4 water airlocks, 4 silicone gaskets, and 4 silicone stoppers (jars not included). Fits all standard wide-mouth fermentation jars. Food-Grade Glass Fermentation Weights Made from high-density glass; each weight is approximately 7 oz (200 g) to keep contents fully submerged. Non-porous surface resists absorption of odors and flavors, even with long-term use. 304 Stainless Steel Fermentation Lids – Rustproof & Airtight Crafted from seamless 304 stainless steel with integrated silicone seals for a secure, airtight fit. Wide-mouth design enables easy access and handling. Airlocks allow controlled CO₂ release for consistent, reliable fermentation. Smart Airlock System Dual-channel airlocks facilitate efficient CO₂ release. Pre-drilled holes with reinforced grommets ensure secure sealing. Included silicone stoppers enable easy transition from fermentation to storage without replacing the lid. Silicone Stopper Design – Seamless Transition to Storage After fermentation, simply remove the airlock and insert the silicone stopper into the lid hole to seal the jar for storage. Maintains freshness and simplifies workflow. Color: Transparent Material: Glass + Silicone + 304 Stainless Steel Package Contents: 4 × Glass Fermentation Weights 4 × 304 Stainless Steel Wide-Mouth Fermentation Lids 4 × Water Airlocks 4 × Silicone Gaskets 4 × Silicone Stoppers (Jars not included) Note: Color appearance may vary slightly due to screen settings and lighting conditions. Dimensions may vary by ±1–3 cm.