Bookends; Bookbinding material; Boxes for pens; Document files; Drawing boards; Drawing pads; Drawing rulers; Envelopes for stationery use; Gummed tape for stationery or household use; Handkerchiefs of paper; Index cards; Loose-leaf binders; Note books; Paper containers; Paper hole punches; Pencil sharpeners; Plastic film for wrapping; Plastic or paper bags for merchandise packaging; Social note cards; Stickers; Writing instruments; Hand-operated punches being office requisites