The Edding 4500 Fabric Pen series is specially designed for permanent writing on fabric and textile surfaces. With 580 pens in a round display package and various color options, it offers a reliable solution for hobby and professional textile projects. Its waterproof and lightfast ink ensures that writings remain vibrant and do not fade even after washing. Perfect for decorating t-shirts, dresses, bags, shoes, and other fabric items with precise and lasting results. An ideal tool for educational institutions, fashion designers, and art enthusiasts alike.