Looks like a sponge, cleans like magic!
Here's a more impressive type of sponge that will free you from the use of detergents.
These Magic Sponge Erasers deeply cleans different surfaces from ceramic fixtures to grained leather goods, to wood, and even plastic toys! Using detergents, especially ones with a more harmful formulation will be a thing of the past. All you'll ever need is water to activate the cleaning power of this sponge.