Goldgiftideas 9 Inch Swastik Silver Plated Pooja Thali Set These articles are coated with pure silver over the design; it is must to maintain like a pure silver article. It will have same effect of the atmosphere food on them. Use soft sponge and warm soap solution for cleaning the article. This will maintain its Glossiness. If articles are not in use, store it at a complete dry place in a dry plastic bag.