Retractable ballpoint pen features 4 colors in one.
- A color of the ink is blue and black and red and green. A color of the main body of the ball-point pen is not only blue. There are pink and an orange or the green, too.
- A color of the ink is blue and black and red and green. A color of the main body of the ball-point pen is not only blue. There are pink and an orange or the green, too.
