Hypoallergenic and no nickel body jewelry Material: 316L Surgical Steel + High Quality Gems Gauge (Size):16G (1.2mm) Bar Length: 9/16" (14mm); Ball Dia.:5mm Package includes: 6pcs nipple rings(each color 2pcs,as the picture), in one gift flocking bag. Description:Nipplerings material is antiallergenic 316L surgical steel with satisfaction guarantee which is safe solution for surgery.Due to the camera and the computer screen showing, the color maybe a little different, please kindly understand.