Zeta Phi Beta Sorority Paraphernalia Women's Ballpoint Pen. Blue Acrylic and Silver Metal Twist and Click Writing Pen Featuring Stacked Bead Top Detail Plus Silver Metal with Blue and Clear Rhinestone ZPB Heart Soror Charm. Charm measures .75". Black Ink. Pen can be refilled with 2.75inch (7cm) Retractable Ballpoint Refills.