Women's Bib Necklace Set. Dramatic Silver Metal Double Layer Wheat Chain Necklace Featuring Bib Comprised of 2 Layers of Acrylic White Pearl Beads with Jumbo White Pearl Dangle Baubles. Jumbo Pearls Measure 29.5mm. Pearl Beads Measure 15.5mm. Lobster Clasp Closure. Includes Matching Pearl Ball Stud Post Backing Earrings.