, durable cover designed for reliable, repeated use Built from quality materials engineered for durability so the elastic maintains its stretch through many uses. Measures 7.87 inches and fits snugly on large containers for consistent protection and a secure seal. Why you need this cover Keeps fermentation and brewing protected while allowing airflow: breathable fabric prevents condensation buildup and supports even rising and fermentation. Replaces singleuse plastic wrap and foil with a reusable, ecofriendly option that reduces waste and saves money over time. Keeps out insects and debris so your food and drinks stay clean without sealing off air exchange. How it solves common problems Secure elastic edge: stays in place during proofing and handling, preventing spills and contamination. Easy visual monitoring: covers allow you to check dough development or brewing progress without removing and recovering. Durable performance: made to withstand repeated stretching and washing without losing fit or function. Key features at a glance Function: protective, breathable cover for fermentation and brewing. Compatibility: designed for large jars and containers; measures 7.87 inches for a snug fit. Performance: maintains elasticity, resists wear, and allows proper air circulation. Practical use scenarios Sourdough proofing: cover your fermentation jar during bulk rise to protect dough while still watching fermentation activity. Sun tea: keep jars covered outdoors to prevent insects and debris while allowing sunlight and airflow. Kombucha brewing: use as a breathable that keeps out contaminants while permitting the SCOBY to ferment properly.