If you want colored pens that do not penetrate paper, you can choose from the following types:

1. Mitsubishi Uni-ball Signo gel pen: The ink of this gel pen dries quickly and can It reduces wiping marks when writing by mistake, and is rich in color to meet the writing needs of different colors.

2. Zebra brand marker pen: This marker pen has two options: soft tip and hard tip. It has bright colors, smooth writing, and dries quickly without penetrating the paper.

3. Gouache for art: This kind of gouache is commonly used in painting. It has bright colors and does not penetrate the paper.

4. Alcohol-based markers: This kind of marker has bright colors, smooth lines, and will not penetrate the paper.

5. Needle-type watercolor pens: These watercolor pens have bright colors, will not penetrate the paper, and are available in different color options.

6. Baile brand gel pen: The ink of this gel pen dries quickly, writes smoothly, has bright colors, and does not penetrate the paper.

The above is about how to choose colored pens that will not penetrate the paper. I hope it will be helpful to you.