Shampoo 3M auto specialty day-in and day-out, your car is moving through dusty streets and muddy roads. All this makes the car appear dull. That is why you need 3M car wash shampoo. The shampoo works with soft and hard water and its easy rinse foam removes tough dirt and grime. Without effecting the paint surface and wax. If the dirt is too tough, just pour some undiluted shampoo on it. Try washing your car under shade always. Cloth size: 30.48 cm x 35.56 cm, super-soft, non-lining cloth ideal for painted or clear coated surfaces, chrome, glass, dashboards and more.