Material:The model is made of polyvinyl chloride (PVC), 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:4.7 x 4.7 x 9.5 Inch.Colour:blueMaterial:pvcPackage Contents:1 * anatomy modelOnly the above package content, other products are not included.Note: Light 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.