Each marker features a soft brush tip, perfect for detailed painting and broad coloring, and is equipped with an automatic ink control system to ensure smooth, consistent ink flow, preventing smudging or skipping. The high-capacity water-based ink delivers vibrant, long-lasting colors that are waterproof once dry, making it suitable for a variety of surfaces, including rock, wood, canvas, ceramic, and glass. Whether you're rock painting, DIY crafting, or working on professional art projects, these markers are designed to meet all your creative needs. The set includes 12 rich colors to inspire endless creativity, making it an ideal tool for artists, craft enthusiasts, and students alike!