Light weight resin plastic in a marbled dark blue make these hoop earrings very cool. The hoop drop 1 1/2 inches from sterling silver french ear wires. Cool dark blue hoop earrings like these are a must have accessory. Are you looking for a hoop earring that isn't too big for the office? These hoop earrings are the perfect size. Wear them with confidence that you have chosen the right look.