16 Paper, namely, laser printing paper, bond paper, copier paper, copy paper, drawing paper, facsimile transmission paper, fiber paper, heat transfer paper, magnetic paper, opaque paper, paper labels, paper mouse mats, printing paper, proofing paper, reproduction paper, stationery writing paper and envelopes; printed matter, namely, posters, order forms, invoice forms, letterhead, compliments slips, price lists, stationery, greeting cards; printed matter, namely, children's books, children's activity books, coloring books, comic books, story books; ink ribbons; computer correction ribbons; cassettes sold as a component of office supply ribbons; cassettes sold as a component of office correction ribbon