Sparkling metallic colors produce a bold, dramatic effect, making this marker ideal for special creative projects. Professional-grade ink delivery system ensures smooth permanent marking on nearly any flat surface: glass, photos, plastic, paper, etc. Flexible brush-type fiber tip simplifies the creation of finely detailed work. Marker Ink Type: Permanent; Marker Tip Type: Brush; Marker Tip Size (text): Extra-Fine; Marker Tip Size (numeric): 0.5 mm.