Write, sketch and designexpress yourself more clearly. Consistent and convenient, these pen-style markers deliver superior writing comfort. Fine bullet tip lends itself to high-detail marking tasks. Bold, permanent ink lays down vivid, clean lines on nearly any surface. Low-odor formula is ideal for classrooms and confined spaces. - Write, sketch and designexpress yourself more clearly. - Pen-style barrel for superior writing comfort. - Fine bullet tip for high-detail marking.