Zeta Phi Beta Sorority Paraphernalia Women's Hoop Earrings. Stylish Silver Metal Chain Link Hoop Earrings Featuring the Official Zeta Phi Beta Greek Letters ZPB in Blue Enamel. Accented With Alternating Blue and Clear Sparkling Round Rhinestones Along the Lower Curve. Designed With a Secure Hinged Latch Back Closure for Comfortable, All Day Wear.