This fabric marker brush point is great for details and covering large areas. Good for marking, drawing and writing on most fabrics surface, especially cotton. It is water resistant when dry, clean or gentle wash and odorless. The ink is acid free, non toxic, pigmented and dries instantly. Fabric prewashing is not necessary. Easy to use with no steaming, ironing and mess to clean up. Broad brush-shaped point and permanent drying ink. Conforms to ASTM D4236 standard. Available in magenta color and comes in carded packing. Measures 1-inch length by 2-1/5-inch width by 7-1/3-inch height. Works best on natural fibers like cotton. Uchida recommends a small test in an inconspicuous area since all fabric types are different. Product may bleed through thinner fabrics.