The skull ring with a secret compartment under the poison is made of cubic zirconia, has a rock style. The ring will perfectly complement any rock outfit, giving it even more brutality and rock. Men's Women's Secret Compartment Ring, Skull Ring Casket Coffin Poison Ring. Gothic, Punk, Hip Hop, Skeleton Ring, Stash Ring. This ring comprises of an inner ring and an outer ring, when put together gives a secret compartment as in pictures. ABOUT MAINTENANCE 1.Avoid immersing in water for long periods of time. 2.Keep away from the harsh household chemicals such as bleach, ammonia, chlorine and so on. 3.Paint the jewelry with clear nail polish to maintain long-lasting color. 4.The jewelry must be stored in a clean and dry place,such as the original box,soft cloth bag or cloth jewelry box. 5.Package contains: 2* Invisible Compartment Skull Ring