Material:The model is made of PVC, which is corrosion resistant, lightweight, and has high strength. Life Size Human Brain Model on base for use in for patient education or anatomical study.8-part.You can clearly see all the main anatomical structures of the human brain.The accuracy of this anatomy brain is the perfect study tool for anatomy students. Functional characteristics: the model consists of 8 components, such as sagittal section of brain, cerebral hemisphere, cerebellum and brainstem, and shows cerebral hemisphere, diencephalon, cerebellum and brainstem midbrain, pons, medulla oblongata, cerebral nerve and so on. Size:about 4.7x4.3 x 5.9 inches (H x W x D ) . Good teaching presentation tools.