This is a gold plated nipple chain. Comes with two Rhodium Plated Gold Color Non-Piercing Spring Hoops. No holes are required to wear them. It has the effect of a real piercing without the hole. The size of the non-piercing spring hoop is available in 8mm (5/16" inch), 10mm (3/8" inch) or 12mm (1/2" inch). The chain length is 31 inches with the thickness of 1.6mm. Can be worn in different ways depending on your style. Entire piece is nickel free.