The Milk 3 Color Pen is a cute and useful pen! The Milk 3 Color Pen contains 4 pens in one! It contains 2 black pens (0.5mm and 0.7mm), 1 red and 1 blue pen. This pen is designed with rubber grip for a more comfortable and smooth writing! The Milk 3 Color Pen is great for taking notes in class. You can write down important concepts in different colors without reaching for another pen! Just take your notebook, this pen, and you are all set to go. It will also increase more space and lessen weight of your pen pouch! Please check out the photos to learn more!