Dong-a 0.38 Mm 3-zero Gel Ink Ball Point Pen Excellent Writing (No Blot,no Scratch,no Skipping) Color Mix-12 Pens Ball Size :	 0.38 mm Vivid ink color- Black 4 Pens / Red 4 Pens / Blue 4 Pens =Mix 12 Pens Soft writing feeling 3-Zero : Non stop writing /No scratch feeling /No ink blot It is very popular in Korea due to style and convenience.