Product description 
 
Colorless transparent Nano silver colloid is made up nano silver particle and colloid material which nontoxic, non smell, safety, no irritative and less 15nm. This colloid is transparent and no color change product, It does not dye color when it touchs skin and light clothes. Aside, the sterilization is ten times of common nano silver colloid,, it is broad spectrum sterilization.
 
Product feature 
 
Colorless transparent, anti oxidation and no color change,  antimicrobial is 50 times of mono nano silver. 
Quickly effective 
Restraining and killing colon bacillus and staphylococcus, etc.