STALAIT Brand Womens Crystal Butterfly Fashion Necklace & Earrings Set. Necklace measures 18.5 cm in length with a 1.77 cm extender. Earrings are pierced with post and disc backs and measure 2.75 cm in length. Material is a zinc alloy metal. Stunning and colorful, this eye catching necklace and earrings set will bring compliments everytime you wear it!!