The 4-in-1 ballpoint pen is with 4 ink colors( red blue green black). It's very nice that all the ink colors are in one pen, and the versatile 1.0mm
Drawdart Multicolor Pen in One, Ballpoint Pen 4-in-1 Multi Colored Pens, Retractable Ball Point Pen 1.0mm, Cute Pens for Office School Supplies
6 Click Pen- Comic Attack
4 Pack Multicolor Ballpoint Pens 4-in-1 0.7mm Algeria
Multicolor?Pen?in?One, Ballpoint Pen 4-in-1 Multi Colored Pens
Multicolor?Pen?in?One, Ballpoint Pen 4-in-1 Multi Colored Pens, Retractable Ball Point Pen 1.0mm
4 Pack Multicolor Ballpoint Pens 4-in-1 0.7mm Algeria
Mr. Pen- Multicolor Pens, Multicolor 5 in 1 Sri Lanka
BIC 4 Color Ballpoint Pen, Medium Point (1.0mm), 4 Qatar
The 4-colour BIC©: a timeless 50-year-old pen! - Plastics le Mag
Multicolor Pen in One, Ballpoint Pen 4-in-1 Multi Colored Pens