Auburn University Necklace | Auburn Tigers Football Helmet Pendant Necklace | Officially Licensed Auburn University Jewelry | AU Gifts | Auburn Tigers | Auburn University Charms | Stainless Steel Officially licensed necklace by Auburn University. This Auburn University pendant necklace comes with a stainless steel football helmet charm and a 20" stainless steel chain. All Auburn University jewelry is made with high-quality stainless steel. Auburn University jewelry ships within 24-48 business hours, product lifetime guarantee. This AU helmet necklace makes the perfect Auburn gift for Tigers fans, students and alumni.