filtration for cold brew and more: The bag uses 80 mesh nylon material, offering finer filtration. It effectively retains fine particles in juice, cold brew, beer or soy milk, delivering an exceptionally pure liquid. Secure drawstring closure ideal as a kefir strainer: The integrated drawstring allows easy closing of the bag and prevents spills during filtering. This design keeps the contents fixed and airtight in the container, reducing the risk of leaks. Durability that beats traditional cheesecloth: Made from durable nylon with reinforced double stitching for maximum longevity. Easy to clean and reusable, providing an economical and durable solution far to a fragile cheesecloth for home brewers and kitchen. Total versatility for milk kefir, ciders, and more: A multifunctional solution for filtering fine grains, improving efficiency and clarity in various preparations. Essential for obtaining milk kefir, fruit ciders, juices or brewing, providing drainage.