-Metal parts may become dull after washing the chain over time. You can use copper water or silver cloth brush to restore gloss.
-All products are recommended to stay away from water sources (including washing face and hands, exercise a lot of sweat or rain) to maintain the best condition, if it gets wet, it needs to be dried in time
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-Unless specifically marked, most products are not made of precious metals or precious stones, and there is no guarantee that they will not fade.