Microfiber Miracle Cloth will collect oil, grease, dirt, grime, dust, film, and then hold it deep inside until you rinse it down the drain. Another great reason these micro fiber cloths clean so well is that use a type of static electricity. The cloth will literally such the dirt and dust up into and hold it inside. The dirt is held in the inner microscopic pockets of the fiber and the outer parts of the cloth with expand through moisture locking the dirt inside. To unlock the grease, dirt and grime all you have to do is rinse or wash under hot water. Made of Supersoft Microfibers That Go Deep Into The Pores of Surfaces to Loosen and Absorb Dirt Like Magic! Microfiber cloth Soaks Up 7 Times its Weight in Liquids... Quickly Cleans Up Spills