Anti-clogging design: acrylic paint pens adopts a rainbow press design. When you need to use the product, you only need to press the pen tip to use it for a long time. When you don't need to use it, this one design can prevent ink from spilling out and clogging the pen tip. Strong Adhesion: Waterproof marker pens are made from a scientific ratio of water-based pigments and acrylic pigments. It has strong adhesion and can be kept on a smooth surface for a long time. He doesn't fade after it has been fully air dried. Product is light in color and can be left on paper. Easy to use: Our metallic marker pens can be used directly as colors pigment. Before each use, you just need to shake the marker pen up and down 2-3 times, then press on the paper until the tip is filled with ink, and then you can start building. After use, be sure to cover the pen cap to prevent the unrestricted flow of ink from blocking the pen tip. Wide range of uses: water-based Medium Point Marker pens stick very well to smooth surfaces and can be used for drawing on ceramics and glass. Acrylic rock pens are also suitable for crafts and can be used for painting on photo albums, guest books, stone, wood, metal, plastic and whiteboards. Gift Choices: Metal markers are perfect gifts for kids, students, and painters. They can be used directly as coloring pigment and are the first choice for children. You can also color with children to express the emotional Improve camaraderie with the kids and enjoy your parent-child time. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.