High Quality Cheesecloth: Cheesecloth is made of natural unbleached pure cotton, with good air permeability and water absorption. The surface is soft and free of cotton ball particles. The fabric is dense and not easy to tear. Safe, durable and environmentally friendly. Due to good color fixation, the filter cloth will not stain the color of food. The filter cloth is very suitable for making butter, cheese, filtering fruit, jelly or broth. Fine Mesh Gauze: Compared with other cotton filter cloths, muslin has a higher density, with 64 x 58 threads per square inch. The mesh is fine and uniform, and the surface of the fabric is dense. Allowing you to filter particles in food more accurately. You don't have to worry about incomplete filtration. The texture is light and not easy to wrinkle. It is very suitable for food filtering in the kitchen. Cuttable and Cuttable Filter Cloth: The size of the nut cloth is 50 cm x 50 cm. Suitable for regular filters, most bowls and plates. The press cloth can meet the filtering requirements of most foods. The fitted seams prevent the fabric from unraveling and prevent the threads from entering the lining. You can cut the muslin cooking cloth into different sizes according to your needs. Multifunctional cheese passing cloth: The juicy strainer cloth can be used to strain cottage cheese, yogurt, ginger juice, soy cheese, butter, broth, papaya jelly, blackberry jelly, apple jelly, wine, beer, etc. The kitchen strainer cloth can also be used as a cover for growing bean sprouts, wrapping hot tortillas, etc. Non-toxic, harmless, safe and healthy. Washable and reusable: The strainer cloth can be reused and will not deform after repeated washing. Before the first use, a spoonful of baking soda should be boiled, then rinsed with running water and wrung out by hand. About black spots: These are cottonseed hulls. These are natural contaminants on cotton and are harmless. This is a normal phenomenon.