Mr. Clean Magic Eraser Extra Durable Offers 50 Percent More Strength Than Original Magic Eraser So Everyone Can Clean A Tough Mess With Ease. Its Water-Activated Micro-Scrubbers Reach Into The Surface Grooves, Lifting Away Built-Up Dirt. Eraser Is So Tough That Each Swipe Removes More Grime Than The Leading All-Purpose Bleach Spray Cleaner. It Has No Harsh Chemicals.