Ballpoint pens; Pencil sharpeners; Staplers being office requisites; Book markers; Drawing rulers; Marking pens; Pencil sharpeners, electric or non-electric; Protractors as drawing instruments; Scratch pads; Stationery cases; Writing pads; Stickers; Folders of paper; Adhesive tapes for stationery or household purposes; Paper notebooks; Pens; Stationery; Pencil cups; Boxes for pens; Colored pens