... of nano antimicrobial material and safely effective organic anti-mold agent by many kinds of natural leather ... in order to prevent the harm caused by microorganism and extend the life of leather, it can ... the dirt strongly, not to hurt the leather, anti-static, quick-drying, no-trace left, and can ... a wide antimicrobial activity, having good effect to anti-mildew such as mildew, algae, and microzyme. It ...