Create fine lines, bold strokes and shading all with a single marker. You can control the width of your lines - thick or thin - with the pressure of your hand. Sharpie Brush Tip Marker can make your ideas permanent on almost any surface. Brightly colored ink is fade-resistant and water-resistant ink. Quick-drying ink is also certified AP nontoxic. Use the clip on cap to attach marker to pockets, notebooks and more. Markers are nonrefillable.