This Upcycled Monster Energy Can Pendant 18" Necklace & Earring Set in Black & Green features a unique butterfly-shaped pendant made from aluminum. The necklace has a lobster closure and is nickel-free, making it suitable for various occasions such as engagements, weddings, and birthdays. The green & black colors and retro theme add a touch of bohemian style to the fashion-forward jewelry set. Made in the United States, this statement piece is a one-of-a-kind addition to any jewelry collection.