Excellent material quality assurance: This model model is made of high-quality polyvinyl chloride (PVC), which has very good resistance and corrosiveness and is not easy to lose. The of the model is delicate and smooth, providing excellent material for medical-teaching and student learning. Neat life-size design: This human body connector model is built in life-size, and the base design focuses more on display and operation. displays the main structures inside the connector, making it perfect for medical-education or advanced anatomy research. Drama Icons and Markers: Maximizing Teaching and Learning Assistance. It can be used as a teacher's demonstration or a student's self-study, and you can quickly understand the detailed information of the throat structure. Right-sized design: perfect for use in the classroom, lab, or internship. The model is of moderate size, easy to store and carry, while ensuring convenience of viewing and operation. Colour:As Shown Material:pvc Package Contents: 1 * Human Throat Model Only the above package content, other products are not included. Note: Light reflection 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.