Indelible Textile Marketing Pens. Available in fine, medium and broad ball-tips to cover all fabric types. Selection depends on the surface structure of fabrics; the finest tip used on fine, tightly woven fabrics, and the broadest on open, coarse fabrics. The inks are totally resistant to all textile processes indluding dry cleaning. Colours available: yellow and black (low cost, in stock), blue, orange, red and white.