16 Paper and cardboard goods, namely, notebooks, notepads, postcards, wads of notes, posters, stickers, adhesive note pads, cardboard boxes, paper bookmarks, diaries, folders, graphic art reproductions, paper bags, cardboard bags, paper sheets for note taking and graphic art prints, office requisites and artists' materials, namely, pencils, pens, markers, erasers, pencil cases, drawing rulers, drawing rulers incorporating calculators, paper clips, paper clip holders, magnetic board, letter openers, plastic bookmarks, boxes for pens; cardboard boxes, paper bags, paper and cardboard cartons, and storage containers made of paper, plastic bubble packs for wrapping or packaging; Printed teaching materials in the fields of art, design, science, technology, biology, chemistry, physics, contemporary art, architecture, photography, sculpture, painting, artistic performance, art installations, video art, plastic interventions, drawing, engraving, etching, and literature