THICKNESS: Gauge Size: 18G (1.0mm); CZ Top Diameter: 2mm, 2.5mm, 3mm; Post Length: 6mm(1/4 inch); The Post is Long Enough to Go Through Your Piercing. Color: Silvertone. USING: Push in Nose Piercing Jewelry Kit Can Be Used as Nose Rings, Nose Rings Stud, Nose Piercing Studs, Nose Stud, Nostril Piercing Rings. Come with One Velvet Bag. It's Good Daily Life Wearing and Also Can Serve as for Birthday, Christmas Day, Anniversary Day, Valentine's Day and more TOP MATERIAL:Flat Back Nose Rings Studs made of High Quality Surgical Steel and Cubic Zirconia, Safe Material, Hypoallergenic, Harmless Your Skin. High Polished Surface, Very Smooth to Wear and Easy to Clean. 18G NOSE STUDS: Threadless Nose Rings Studs with Different Sizes(2mm/2.5mm/3mm, Each Size 4 Pieces); Push in Nose Stud with Flat Back; Easy to Put in or Remove and Since They Are Thread Less Push ins;It can be carried more securely on the top of the nose. Different Sizes Give You Mutiply Wearring Outfit, Reasonable Price for Body Jewelry, Deserve to Purchase. OCCASION: You Can Wear nose jewelry on Occasions Such As Work, Bars, Parties, Travel, Christmas, etc. It Is Perfect for Any Occasion. This 18 gauge Nose Rings are very Simple And Handsome, And Wearing It Will Increase Your Personal Charm.