Material:The model is made of polyvinyl chloride (PVC) plastic, which is corrosion resistant, lightweight, and has high strength. | 2X Enlarged human throat model on base for use in for patient education or anatomical study.You can clearly see all the main anatomical structures of the human throat.The accuracy of this anatomy throat is the perfect study tool for anatomy students. | Good teaching presentation tools.The throat model includes a labeled diagram for 34 numeric marker. | Size:4.7x4.7x9.5 Inch. | XINDAM provide you various kinds of human anatomical model, welcome to our store and get something what you want !