Non-toxic environmentally friendly PVC material, easy to clean. This head model is 360 degree rotable for easy teaching or self-learning at home.This anatomical model of the head shows the local morphology of the inner and outer sides of the mid-sagittal section of the head and neck and its blood vessels and nerves: including the superficial muscles of the exposed face, superficial blood vessels and nerves of the face and scalp And the medial structure of the head and brain and upper airway and the sagittal cross-sectional structure of the cervical spine.It is also provided with a detailed product manual with all anatomical structures marked and described with text, which is convenient for teaching.This model is the first choice for teaching in classroom or at-home for human head and brain anatomy education, or beauty salons or hosipital & clincAnatomical Features: Ear is detachable to observe external acoustic pore, this model also shows all surperficial face muscles, blood vessel and nerves, parotid gland, submandular gland, medial sagittal section of brain, nasal cavity, oral cavity, larynx and pharynx, tongue, and vertebrae & spinal cord at neck regionColour:RedMaterial:pvcSize:27 x 20 x 10cmPackage Contents:1 * Human Half Head Superficial Neurovascular ModelOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.