SAFE MATERIAL: These soup bags are made of unbleached cotton gauze, insoluble, safe and non-toxic for long term use DRAWING ROPE DESIGN: The drawstring is designed for the closure of each cotton pouch, which makes it easy for you to adjust the size of the closure and hold it; in addition, you can put different labels on the drawstring to help you distinguish between different ingredients Reusable Soup Bag: The cotton drawstring bag has a small, rich mesh design on the outside, so that the ingredients won't leak out when cooking for a long time, but it can give out the full flavour of the ingredients and seasonings. Wide range of applications: these drawstring cotton soup bags are suitable for tea, coffee, spices, bones, etc., easy to clean, reusable QUANTITY AND SIZE: Contains 24 soup stock simmering bags, the quantity is enough to meet your daily needs; each bag is about 4 x 6 inches, the size is suitable and convenient to use