Women's Bib Necklace. Luxury Silver Metal Curb Chain Necklace Featuring Bib Comprised of Large Linked 8 Motif Quatrefoil Clovers with Marbled White Opal-Like Resin. Bib Measures 5.5" x 2.35". Large Quatrefoils Measure 1.35" Each. Lobster Clasp Closure.