If the material  oxidize or change color, please just use a polishing cloth especially for costume jewelry.
All brass jewelry will tarnish after some time.
All Jewelries are not meant to be worn to sleep, sport ,swimming or in the shower.
Avoid contact to sweat and chemicals ,perfumes, chlorine, and saltwater.
Clean gently with cleaning wipes.
Dont let it fall from heights.
Store shady, dry and not in close proximity to other jewel.
To avoid damaging any platings allways handle with care and store indivually.
Please mind if you combine jewelry, for example hang earweights through saddles, they may damage each others plating.