materials: The human throat model is made of non- and environmentally friendly PVC material, equipped with a sturdy base, which can be disassembled. Easy to clean and can be used for many years. Product manual: The model is rich in details and handmade. Different parts of the throat model are marked with different colors, and it is equipped with a detailed product manual for accurate teaching and display. Digital markings: The human throat model has specially designed digital indicator signs. There are 34 digital markings here, and each numbered structure can be accurately identified, to provide you with a comprehensive learning aid system. Easy to reassemble: The human throat model is a portable size that can be put into your bag and taken to class. It is very suitable for people who love anatomy. It is also a good-looking decoration that can be displayed on a shelf. Wide range of uses: The human throat model can not only be used as an anatomical learning tool for medical students, but also as a communication tool for doctors and patients. It is very suitable for physical health teaching in schools and hospitals. Color:As Shown Material:plastic Package Contents: 1set * human body 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.