Amazon.com: North Carolina necklace, North Carolina charm, state College Vault North Carolina Charm Necklace North Carolina A&T Aggies Bracelet Custom Made Alumni Charm Bracelet University of North Carolina UNC Logo Bead Charm Tar Heels Jewelry. We are honored to be part of the College Vault program, which allows us to utilize vintage and retired trademarks for participating Universities. Each College Vault piece is thoughtfully produced in small batches to preserve the uniqueness and limited availability of each style. DETAILS: This is an Officially Licensed Collegiate Product Our gold plated College Vault Charm Necklace features 3 Vintage Retired University Trademarks Necklace is adjustable from 16" 18" Charms measure approximately 0. 75" in length PRODUCT CARE: To make sure your jewelry stays in beautiful condition, please do the following: Do not spray hairspray or perfume on your jewelry Do not swim or exercise in your jewelry Do not use jewelry cleaner or any kind of chemicals on your jewelry; if a jewelry polishing cloth is not getting the metal clean, use mild hand soap and water, then blot dry with a microfiber towel