Features: This human ear anatomy model shows the basic anatomical detail of human auditory organ structure, including outer ear, middle ear, inner ear, and entire cochlear structure. This anatomical human ear model great for diseases study, and clinical setting. Professional auditory organ anatomy model teaching presentation model for lecture report, doctor office. Designed to replicate and show the real anatomical structure of human ear and auditory organ. Advanced computer colorful painting, various color are for distinguish different position. Realistic human ear structure, easy to observe and view. Crafted from PVC, good durability, light weight, not easy to fade and break, long service time. Widely used for hospital, doctor office, anatomy classroom, advanced student and clinicians, laboratories, and scientific reaserch institutes, educational purposes only. Specifications: Color: As picture shows Component: PVC Size: Approximately. 31x21x25.0cm/12.2x8.26x9.84in Weight: Approximately. 1300g Package Includes: 1Piece Human Ear Anatomy Model note: 1.Please allow 0-1cm error due to manual measurement. Be sure you donot mind before bid. 2.Due to difference between different monitors, the picture may not reflect the actual color