Women's Beaded Collar Necklace. Artistic and Boho Flair Graduated Chunky Stone-Like Turquoise Marbled Acrylic Resin Bead Collar Necklace Featuring Cord Knots and Beautiful Swirl Design. Bead Toggle Closure. Center Bead Measures 1.75" x 1.35". *Please allow for natural color variations in marble design.