Feature: 1. Flexible Dual Tip: Thin fine tip for contouring and thicker tip for blending and coloring. The durable yet flexible nib allows for a wide range of strokes from thick to thin, while the other end has details for fine detail. 2. 24 Gorgeous Colors: You'll get a variety of vibrant, highly pigmented colors. Each set includes primary and complementary colors that blend beautifully, combining the two to create countless effects that will bring your artwork to life. Add a touch of dimensionality to your artwork. 3. Portable: Put your markers in the included container! The handy bucket can be marked so you can be prepare for inspiration. Color coded hats make it easy to choose the right color. 4. Excellent Sealing Performance: Improve the sealing performance of the pen caps, allowing you to keep the pen tip away from water when you use it. After using the product, please close the caps in time. No need to worry about the nib drying out the another time you use it. If this happens, please be patient, it will return to normal in a while. 5. Features: The product has no peculiar smell and can be washed with water, with affluent ink output, easy to color, and comfortable to use. Boxed design, easy to carry! Specification: Item Type: Markers Product Material: Water Based Color Ink, Plastic Product Application: Professional Use in the Fields of Architecture, Advertising, Animation and Other Design Fields. Package List: 24 x Color Double Head Marker Pen1 x Storage Box