These necklace, bracelet, and earrings feature wonderful green aventurine natural stone small (6mm) beads. The accents beads are small (4mm) gold Czech glass. - The necklace is adjustable 18-21 inches using its gold-plated lobster clasp and extender chain. - The bracelet is adjustable 7-9 inches using its gold-plated lobster clasp and extender chain. - The earrings are on gold-plated ear wires.