Features * Medical Quality - PSW mold is authentic and built to be as realistic as possible. It is made out of a high quality Medical Grade PVC to best resemble human bones , * The Material is corrosion and rust resistant and is durable. The material will last for years.* Multipurpose -This anatomical replica is perfect for anyone in education or medical field.* Life Size 3 part human skull with removable calvarium* Perfect for display and demonstration