* MSI Premium Sinks by MSI CARE & MAINTENANCE Our stainless steel sinks are made of 304 series, 18/10 chrome/nickel steel. This non-magnetic. non-porous malarial is very hygienic, extremely durable; and rust free. Out stainless steel sinks maintain lustrous finish that is resistant fo water stains and calcium deposits, Ag with any household dens, stainless steel sinks require periodic cleaning to maintain the original beauty.