Magic Metal Large Butterfly Necklace Navy Blue Vintage Antique NB05 Rainbow Stained Glass Pendant Fashion Jewelry Ships from the USA Large Butterfly Pendant Necklace. Navy blue and other colorful enamel applied in a stained glass motif. Pendant Size: 4 inches by 2 inches. Chain Length From Clasp to End: 18 inches. Makes a perfect gift. Search Magic Metal Jewelry for more jewelry styles.