Ballpoint pens; pens; felt-tip pens; mechanical pencils; fountain pens; retractable pencils; coloured pens; pens being writing instruments; writing instruments; writing materials, namely, writing instruments and writing paper; pencils; oil-based felt-tip markers; color pencils; white board marker pens; refills for ballpoint pens; adhesive note paper; folders for papers; memo blocks; note paper; stickers