As per the new technology, now silver plating is possible on high quality Stainless Steel.Due to this technology the possibility of the silver getting black reduces.
As these articles have a layer of pure Silver all over, they look & wear like pure silver articles, the effect of the atmosphere & food on them is also the same.
To maintain glossiness, use soft sponge With warm soap solution for cleaning.
If the articles are not in daily use, they should be completely dried & stored in plastic bags.
Use Colgate tooth powder (dry) when the stains are not easily removed by theabove process.