This Pack Comes With Two Pieces One is Made with Surgical Steel with a Cubic Zirconia and the Other is Made With Translucid and Flexible Bioflex. One is Perfect When You Want to Shine and the Other is for the Times You Need To Get That Low Profile. Bioflex Ball - 3 mm Barbell - 10 mm - 3/8" Made of Flexible Bioflex Surgical Steel CZ - 4 mm Barbell - 10 mm - 3/8" Made of 316l Surgical Steel We are a U.S. based seller and all of our products are shipped from the United States. You can return any product within 30 days from purchase date. We Care And Will Reply Within 24-48 Hrs!