Material: made of eco-friendly PVC, computer color combination, beautifully hand painted. It almost faithfully shows the structure of the human ear. Transparent ear anatomical model, its unique transparent design allows you to clearly observe the internal structure, it can be observed from all angles, so that you can conduct research and learn related knowledge in greater depth, it is an uncommon aid for medical learning. Laboratory Material: PVC material doesn't have to worry about students breaking it, it can be passed on to students for many years, so it will be an excellent addition to your laboratory materials. Ideal for school teaching tools, learning display and collectibles. Teaching tools: mark special locations with bright red dots, and the colors are bright and easy to attract students' attention, so you can teach demonstration, which promotes students' understanding and enhances fu in the classroom. A variety of scope: it can be used not only as a learning tool for medical students, but also as a teaching tool. It is also a communication tool for doctors and patients. Enough to satisfy anyone interested in the human ear organ.