This microfiber SPONGE WITH SCRUBBER is designed to thoroughly remove dirt and grime. Use wet with plenty of car wash soap and water to gently remove dirt and grime from your car's finish. While washing the vehicle, rinse sponge frequently to flush out large debris that could damage your paint or clear coat. WASH INSTRUCTIONS: Launder separately in warm water as colors may bleed. Air dry or tumble dry on low. Do not iron. Do not use bleach, fabric softener or dryer sheets. CARE INSTRUCTIONS: Microfiber will not scratch surfaces, however, it can pick up and trap particles that can scratch. Hemmed edges may scratch delicate surfaces; please test in an inconspicuous area before use.