Prepare your semi truck to be Ready for the Road Ahead , with the Buffalo All-Purpose White Thermal Rags that acts as a fast and effective cleaning fabric. To quickly clean oil, grease, or similar fluids, this rag is crafted with a highly-absorbent material that soaks up liquids in moments. Fashioned with strong and durable fibers that are machine washable. FleetPride is your First Click in Heavy Duty .