PLASTIC MATERIAL FILMS, FOILS OR SHEETS FOR USE AS PRODUCT PACKAGING AND ADVERTISING; ADVERTISING POINT OF SALE DISPLAY PANELS MERCHANDISING PRODUCTS; ADVERTISING OFFSET PLASTIC PRINTED SHEETS, SILK SCREEN PRINTS, CARDS, AND LABELS; PLASTIC AND PAPER PRODUCT PACKAGING BOXES, CASES, AND BAGS; BOOK BINDING; FOLDERS; PRINTED INSERTS AND STATIONERY FOR USE BY INDUSTRIAL COMPANIES OR DISTRIBUTORS

Three layer polypropylene or polyethylene sheet consisting of a layer of black polypropylene or polyethylene coextruded between two layers of white polypropylene or polyethylene to produce an optically opaque sheet or roll of polypropylene or polyethylene