From broad strokes to fine details, Sharpie Brush Twin Permanent Markers do it all! On one end, theyre brush markers with a flexible brush tip for lines that vary from thick to thinall in one stroke! On the other end, theyre an ultra fine tip permanent marker that provides precise control. These dual-tip markers are perfect for everyday marking, lettering, and details on paper, plastic, metal, and most other surfaces, and great for teen. Like all Sharpie permanent markers, the intensely brilliant colors create eye-popping, vibrant impressions. With this versatility, Sharpie Brush Twin Permanent Markers let you transform ordinary surfaces into creative statements!