Chalkboards; Binders for office use; Checkbook covers; Dispensers for adhesive tapes for stationery or household purposes; Document laminators for office use; File folders; Folders for papers; Glue for the office; Mechanical pencils; Office perforating machines; Office stationery; Paper knives being parts of paper cutters for office use; Pen and pencil holders; Pencils for painting and drawing; Writing utensils