This is a cool and sexy Nipple Chain. This item comes with two (2) Rhodium Plated Green Non-Piercing Spring Hoop chained together by a .925 Sterling Silver Chain. No holes are required to wear them. It has the effect of a real piercing without the hole. Also, the diameter available for the non-piercing spring hoop is 10mm - 3/8 of an inch. The chain length is 13 inches with thickness of 1.6mm. Entire piece is nickle free.