Silver plating 925 refers to a silver plating process, which covers a layer of silver coating on the material by electroplating to make it have the appearance and luster similar to silver jewelry. The number 925 indicates the purity of silver, in which 925 indicates pure silver containing 92.5%. The remaining 7.5% is usually composed of other alloying elements, such as copper or zinc. This silver alloy is widely used in jewelry making because it can provide enough strength and durability while maintaining the beauty of silver jewelry. This silver plating process can make jewelry more resistant to oxidation and wear, and prolong its service life. So when you see a piece of jewelry marked "Silver plating 925", it means that the surface of the jewelry is plated with 92.5% silver.