Product Details: The X-tra Seal Tire Crayon Stick is the perfect tool for marking various surfaces, including tires, construction materials, steel, lumber and fabrics. This crayon stick offers high visibility on various surfaces, even in wet conditions. It is easy to use and provides a long-lasting, bright mark that is sure to be seen. With its convenient size, you can easily store it in your toolbox or glove compartment. FleetPride is your First Click in Heavy Duty®.