Adult Human skull replica cast in durable urethane from natural specimen. This amazing replica is hand finished in a dry bone color with detachable jaw. Model features a through nasal passage with septum details and mandible can be removed and replaced without hardware. Mandible has natural movement. Superior Fissure, Optic Foramen and Inferior Orbital Fissure have pass through. Also, pass through between Sphenoid Bone and Zygomatic Arch. Natural opening at Foramen Magnum. Model Measures: H: 6.5 W: 5.25 L: 8.5. Price to detail nothing compares.