These earrings feature raw obsidian crystals wrapped in plated copper wire. The earrings shown are example only, the ones you receive may vary in shape and size. MATERIALS & SIZING -Crystals are approximately 0.5 - 0.75 inch long -The entire earring will vary slightly around 1.25 - 1.5 inches long (measured from where the earring hooks into your ear to the end of the drop). -Earring hooks are sterling silver/14K gold filled -Nickel and lead free JEWELRY CARE Please avoid contact with water. If needed, wipe clean with a soft jewelry cloth.