S Mark Ballpoint pen soft and small size Ball Pen  (Ink Color - Blue Color)

A pen that has a small metal ball as the point of transfer of ink to paper , A pen is a common writing instrument that applies ink to a surface, usually paper, for writing or drawing. An everyday writing tool known as a pen is used to write or draw on a surface, typically paper. Early pens stored little ink on the nib or in a small cavity or void that needed to be periodically replenished by dipping the pen's tip into an inkwell.