This is a highly water-resistant fabric marker that can be used on dark colored fabrics. It uses a special ink that is resistant to fading and fading as well as household laundering. Also, it does not contain harmful organic solvents, so it can be used safely for indoor work. Note: Fabric marker and fabric spray are intended for enjoying the design, and not dye to repair or stain the fabric that has been degraded. Cannot be used for full-body stained or color-coded correction. Made of 100% polyester, chemical fiber, waterproof, water repellent, and stretchy, not suitable for long hair. Use with 100% cotton or poly blend (20% to 30%) etc.