Material: The model is made of polyvinyl chloride (PVC) plastic, which is corrosion-resistant, lightweight, and has high strength. 6X Magnified Model of the Human Eye on a base for use in patient education or anatomical study. You can clearly see all the major anatomical structures of the human eye. The accuracy of this anatomical model of the human eye is the perfect study for anatomy students. Functional features: the model is used to show the anatomical structure of the human eye, such as the three layers of the outer membrane (outer membrane, media, and intima) of the eyeball wall and the main refractive bodies, the lens and the vitreous body that fill inside. The model includes the labeled diagram for the main parts of the eye. Color: as shown Material: pvc Size: 16 x 15 x 25cm Package Contents: 1 x Eye Model Only 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.