12-color paint markers are versatile art and craft supplies designed for creating vibrant, opaque marks on a wide range of surfaces. A typical set includes twelve different colored markers, providing artists, students, hobbyists, and DIY enthusiasts with a useful selection of shades for drawing, lettering, decorating, and creative projects. Paint markers generally contain pigment-based ink or paint that produces bold, highly visible lines and can be used on materials such as paper, cardboard, wood, glass, ceramic, metal, plastic, stone, and other suitable surfaces, depending on the specific formulation. Many markers feature a fine, medium, or bullet-shaped tip that allows users to create detailed artwork, outlines, labels, patterns, and decorative designs with greater control. They can be especially useful for personalized gifts, handmade crafts, signs, rock painting, school projects, scrapbooking, and surface decoration. Some paint markers are designed to be quick-drying and resistant to fading, while others may offer water resistance or improved durability after the paint has fully cured. Before use, many markers require shaking and pressing the tip several times to properly distribute the paint. Proper surface preparation can also help improve adhesion and appearance. Overall, a 12-color paint marker set provides an easy and convenient way to add colorful, opaque designs to creative projects while offering enough color variety for both simple artwork and more detailed decorative work.