Cannot be used in a washing machine If dyeing fabric with less than 35% synthetic fabric (i. e. polyester, acrylic or acetate), use Rit All-Purpose Dye instead ...

The dye you need will depend on the exact fabric of your drop cloth, but you can find Rit all-purpose liquid dye in many shades. You will also want a fabric protector like Scotchgard sun and water ...