Shoe deodorizer with silver and silica nanoparticles. Thanks to the content of particles with a diameter of nanometers , NANO DEO SILVER protects footwear from odor much longer than traditional deodorants. Silver has antiseptic properties,prevents the development of microorganisms, which are the cause of unpleasant odors in shoes. Silica absorbs unpleasant odors. Especially recommended for sports shoes..