... cleaner 2.high efficient water absorbing 3.based on magic sponge eco-friendly,non-toxic, don't need any cleaning fluid ... ,just need water.then,the sponge can move the dirty away easily.Nano magic sponge is a new eco-friendly product ... ,telephones,copiers,printers,color TVs.and another daily necessities to scour dust.only need to water.without detergent.it can protect ...