This standard specifies the definition, model, technical requirements, inspection methods, inspection rules, marking and packaging, transportation and storage requirements for food-grade non-woven packaging bags. This standard applies to non-woven fabrics made of polypropylene (or polyester) non-woven fabrics or polypropylene (or polyester) non-woven fabrics and plastic films through printing, bag making, and sewing, and used for food packaging. Textile packaging bags.