Sharpie Extreme Permanent Marker...
Extreme brilliance with vivid, high-contrast colors.Extreme resilience with ink thats quick-drying and fade resistant against both wet and dry outdoor elements--UV rays dont stand a chance.Extreme fine tip stands up to plastic, glass, wood, and other outdoor surfaces.Extreme versatility on sports gear, camping equipment, boating accessories, and other items not allowed inside.Extreme colors: fight the elements with your choice of black, red, blue, and green markers.