16 Plastic materials for packaging and wrapping purposes, paper and cardboard, paper and cardboard for packaging and wrapping purposes, cardboard boxes, paper towels, toilet paper, paper napkins, printing blocks and types, bookbinding material, printed publications, printed matter, books, magazines, newspapers, bill books, printed dispatch notes, printed vouchers, calendars, posters, photographs [printed], paintings, stickers [stationery], stationery, office stationery, instructional and teaching material [except furniture and apparatus], writing and drawing implements, artists' materials, paper products for stationery purposes, adhesives for stationery purposes, pens, pencils, erasers, adhesive tapes for stationery purposes, cardboard cartons [artists' materials], writing paper, copying paper, paper rolls for cash registers, drawing materials, chalkboards, painting pencils, watercolors [paintings], office requisites, paint rollers and paintbrushes for painting