1AR by UnoAerre 18k Gold-Plated Herringbone Link Necklace, 20" Manufactured by Italy's renown gold craftsmen, this 1AR by UnoAerre necklace features a thick herringbone link chain constructed from rich 18k gold plating. Toggle clasp Special technology protects necklace from color fading. Clean with soft, dry, chemical-free cloth only. Made in Italy