... for these materials is low. So it barely harm to body.We use nickel-free finding for all earringsCharm ... customer requirement. Packing:1.if no special request,we will use normal packing,1 opp bag for each product ... :1.If order is not very big,we will send you by UPS,DHL,FEDEX,or AAE.Thracking ... to 50% at firstQuality control :1).sample control,we will not start to make the products unitill you confirm ...