This U.S. Industry comprises establishments primarily engaged in: (1) converting plastics resins into plastics bags or pouches; and/or (2) forming, coating, or laminating plastics film or sheet into single web or multi-web plastics bags or pouches. Establishments in this industry may print on the bags or pouches they manufacture. Cross-References. Establishments primarily engaged in-- ? Manufacturing laminated or coated combinations of plastics, foils, and paper (except plastics film to plastics film) materials into single wall bags--are classified in U.S. Industry 322223, Coated Paper Bag and Pouch Manufacturing; ? Manufacturing laminated or coated combinations of plastics, foils, and paper (except plastics film to plastics film) into multiwalled bags--are classified in U.S. Industry 322224, Uncoated Paper and Multiwall Bag Manufacturing; and ? Printing on purchased packaging materials--are classified in Industry Group 3231, Printing and Related Support Activities, based on the printing process used.