Welcome to our store! This filter bag is made of food-grade 66 Polyamide material, ensuring it is non-toxic, odorless, has high intensity, and good elasticity. It is heat-resistant, anti-corrosion, and oil-resistant with stable chemical properties. The bag is washable and reusable, with a drawstring design that is practical and easy to use. It has a wide range of uses, including containing hops to keep them separate from your beer during fermentation, making jams and marmalades, and producing Kefir and fruit wine. The product is 100% brand new, with Polyamide (Food Grade) material, color as shown in the pictures, and available in sizes 20x30cm/7.9x11.8in, 28x45cm/11x17.7in, and 45x62cm/17.7x24.4in. The weight varies approximately from 7g to 29g/0.2oz to 1oz. The package includes 1 filter bag. Please note that there may be a 0 to 1 inch error due to manual measurement, and the color of the item may look slightly different from the pictures due to monitor calibration. Satisfaction: Our customers are our top priority. If you find any product problems after receiving the goods, such as damage and incorrect quantity of goods, please contact the seller immediately. We do our best to provide you with satisfactory after-sales service.