Product Name: Food grade nylon mesh Size: 1m width Filtration mesh:20mesh-500mesh available product material: food grade nylon 66, non-toxic, odorless. High strength, large elongation, excellent flexibility. Strong, good wear resistance, home all the first fiber. High temperature, borer, oil, corrosion resistance, resistance to alkali weak acid, chemical stability. Electrical insulation is good, anti-vibration sound absorption, there is a certain flame retardant. Use for kitchen food filter, wine, soya bean milk, fish tank, aquarium, even for window air filter, drinking water filter, and so om. How to choose filtering cloth? Filtering soya bean milk usually using between 100-150 Mesh/In. Filtering wine and tea impurities usually using between 150-200 Mesh/In (First use 100 mesh filter, and then use 200 mesh filter again). Filtering milk or juice usually using between 200-250 Mesh/In. Paint filter usually using 80-200 Mesh/In ( Ground paint using 80-100 Mesh/In, surface paint using 150-200 Mesh/In). Filtering drinking water, suspended particulate matter and other fine filters usually using between 300-400 Mesh/In. If you do not sure what kind of specifications, please contact customer service.