Hypoallergenic Materials:Opal nose rings made of 316L surgical steel,nickel free,lead free and cadmium free,hypoallergenic to human body. Long lasting shining:Nose piercings hoops are expertly electroplated,which have smooth and long color retention ability.Making your piercing more elegant and delicate. Superior quality:Septum rings are crafted with seamless,ensuring they can stay in place for your daily life.We carefully control the nose rings hoops process to convenience on open and close. Nose Rings Color&Size:Gold with white opal,available 20G and in 12mm inner diameter.Please double check the measurements prior to purchasing. Multiple using:Hinged piercing hoop can be used as cartilage,tragus earrings,helix,daith,rook,conch piercing jewelry and many more,according to your piercing sizes and needs.