The Piyo 3 Color Pen is a cute and useful pen! The Piyo 3 Color Pen is a 0.5mm ink pen that comes with black, red and blue ink. This pen is designed with anti-slip rubber grip for a more comfortable and smooth writing! The Piyo 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!