Product Details:- Nostril Rings Carbon Neutral Wire Gauge (Thickness):- 20 Gauge (Standard) Stone :- Cubic Zircon (CZ) Materials:- 925 Sterling Silver Type:- Stud Plating Type :- Available in Yellow Gold, Silver, Rose Gold and Black. Diameter :- 7 MM (Please leave us a message for any customization or changes after or before placing the order)