Permanent Fabric Markers. Colors included are Red, Yellow, Green, Blue, Brown and Black. Draw, doodle and color your way to ultra vibrant works of art with Tulip® Fabric Markers®! Packed with rich, intense pigments, you can always count on these Fabric Markers for true color that lasts. Tulip Brush Tips are perfect for doodling, stenciling and creating bold accents on fabrics. All inks are nontoxic, water based, acid free and machine washable, and do not require heat setting for permanence. Markers work on most fabrics.