Discoloration is not a quality problem, and improper use. All of them will seriously fade the color of silver products. Stamp: S925. Chain Width: 13mm. If the oxidation is very serious, you can soak it with silver wiping water and then wipe it with white cotton cloth.

Chain Width: 7mm. Discoloration is not a quality problem, and improper use. All of them will seriously fade the color of silver products. (1) Q:Is this real sterling silver?. (4) Q:Why does silver turn black or yellow?.