Sharpie Extreme Permanent Markers, 4-Pack, Assorted Colors (1927154) From the leading name in premium permanent markers, a fade-resistant marker that withstands extreme conditions. Bold, high-contrast colors resist fading when exposed to harsh UV rays, rain, snow and mud. Fine, durable tip delivers bold color and lines on most surfaces, including plastic, glass and wood. Ideal for sporting equipment, camping gear, playground toys, water bottles and more. Includes black, blue, green, and red markers. Writes lines 0.9mm to 1.1 mm wide.