2 Pair different Design Nipple Rings per Pack: 1 Pair of Heart Filigree with Tear Drop CZ Dangle Nipple Rings, 1 Pair of CZ Heart Barbell , Size: Barbell Gauge Size 14G (1.6mm), length for the bar is 11/16"(18mm), Inner Diameter for the nipple Shield is 1/2" (12mm) , Ball size is 5mm , EUNR018-2 , Double-headed design: double ends of balls can be screwed on and off easily and conveniently, not easy to slip off. , Material : 316L Stainless Steel, Great Plating, Nickel-free and Allergy-free , Come with one free gift velvet bag. 90-Day Money Back Guarantee or Exchange.