Oral Nasopharyngeal Inner Sides Vascular Neural Model Oral-Nasopharynx Cerebral Neurovascular Teaching AidsPackage includes: 1 piece of Oral Nasopharyngeal Inner Sides Vascular Neural Model The product will be upgraded constantly, the appearance and color may be changed, please don't mind. And take a consideration before place the order if you have request for color or appearance. Product size : 20*15*5cm Material : PVC Product introduction: Displays the internal structure of mouth, nose, pharynx and larynx, as well as the structures of cerebrovascular and