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