Using the metal infusion method to coat an existing metal surface with our special alloy ShieldGuard®, the product will inherit the antimicrobial characteristics of ShieldGuard® and prohibits the harboring and the growth of bacteria, achieving anti-bacterial up to 99.99%. 1.Smooth and low friction - Features extremely low friction, surface roughness can be adjusted and customized to your request. 2.Naturally contains everlasting easy-clean capability 3.Near permanent anti-microbial function against majority of known bacteria. Up to 99.9+%. 4.Kills germs fast. Effectively minimize the health risks for family and community. 5.99.99 pure silver with positive ions used as the material for anti-microbial function. Definitely not the product of nanometer silverbath synthesis, making the product more safe and reliable for humans and animals.