[Efficient Transparent Design]: Easily monitor ink levels thanks to the clear pen tube. Each marker includes an internal steel ball for consistent ink mixing and smoother application, enhancing your painting or writing experience. [User-Friendly]: Filling these markers is a breeze - simply remove the tip, add of paint or ink, and reattach to begin your artistic endeavors. Designed for simplicity, these pens are perfect for both beginners and seasoned artists. [Ample Supply]: Our set includes six dual-ended markers, providing a versatile range of uses. With different materials on each end, these pens are adequate for all your projects, ensuring you always have the right tool at hand. [Versatile Applications]: Ideal for filling with various artistic mediums including acrylics, oil paints, watercolors, and more. These markers offer endless possibilities to expand your creativity and enhance your art projects. [High-Quality Materials]: Crafted from PP, each pen in this 6-pack features a robust construction to breaking and deforming. The point is made from a resilient polyester and acrylic combination, ensuring reliability and long-term use. Please note:the physical slightly color difference or difference, does not affect the use, please do not mind, thank you! Colour:Transparent-White Material:Plastic Size:3mm Package Contents: 6 * empty paint pen Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.