The black Sharpie markers are perfect for everyday use, & will write on most surfaces, including wood, stone, plastic & glass. These markers also feature a double ended tip: a fine tip for drawing detailed lines at one end & an ultra fine tip for precision writing at the other. For unlimited creative options in shop banners, food markets, bakeries & delicatessens these reliable fade resistant markers are the perfect choice, helping you increase your visibility & attract a wider audience. Single black permanent marker