Notebooks; Notepads; Ballpoint pens; Blackboard erasers; Calligraphy paper; Compasses for drawing; Desk stands and holders for pens, pencils, and ink; Drawing pencils; Greeting cards; Grocery bags; Paint applicators; Pen holders; Pencil sharpening machines; Plastic garbage bags; Retractable pencils; Rubber bands; Staplers being office requisites