Định Nghĩa và Ý Nghĩa của "gel pen"

What is a "gel pen"?

A gel pen is a type of pen that uses a thick, gel-like ink to write smoothly on paper. The ink is water-based and provides vibrant, consistent colors and a smooth writing experience. Gel pens are popular for their ability to produce bold lines and their quick-drying ink, which reduces smudging. They are commonly used for writing, drawing, and artistic work, offering a range of colors and tip sizes to suit various needs.