Food-grade materials. Made from high-quality, BPA-free nylon, it is absolutely safe for contact with food. Its robust, fine-mesh structure is more durable and hygienic than fragile gauze or muslin, resisting deformation and tearing to ensure clean and efficient filtration every time. 200 mesh ultra-fine uniform filter. The precisely woven, ultra-high-density 200-mesh filter provides extremely efficient separation of liquids and impurities. Whether you're filtering delicate almond milk, smooth soy milk, or crystal-clear juice, it filters easily and delivers a silky-smooth, grain-free taste. Wide opening with anti-spill drawstring. The unique wide opening easily fits on any cups, pitchers, blenders, or food processors, making pouring mixtures easy and neat. The practical drawstring closure securely seals the container, preventing spills during pressing and ensuring a clean and worry-free process. Rinse thoroughly and maintain easily. Cleaning is no longer a problem! Simply rinse the bottle after use and wash it again. It is also machine washable (recommended water temperature: 30°C-40°C), saving you time and effort. Its quick-drying properties effectively prevent mold and bacterial growth, ensuring hygiene and safety with every use. Multiple uses in the kitchen. This versatile bag is a multi-purpose kitchen aid. It's perfect for making all types of nut milk, plant-based milk, smoothies, and juices, and also great for filtering homemade yogurt, extracting herbal teas, filtering coffee, clarifying soups, and making jams, opening up endless possibilities for healthy eating.