Maintenance notice:
In humid air, it is easy to be corroded by the sulfur-containing steam engine hydrogen sulfide in the air, making the surface black; In peacetime, silver in the air for a long time, will also come into contact with trace hydrogen sulfide in the air, the surface will gradually become dark and black

Avoid contact with cosmetics
Avoid wearing in the shower
Avoid hard collision
Avoid sweating wear
Please wipe with a silver cloth
Avoid sleeping wear