Detailed Structure: The Human Ear Model includes key components such as the auricle, external auditory canal, tympanic membrane, ossicular chain, and cochlea, allowing students to observe the complex structures and detailed features of the ear clearly and intuitivelyMaterial: The Human Ear Model is made from PP material that ensures longevity and maintains its intricate details over timeCompact Size: With dimensions of 24.5cmx18.5cmx18cm/9.65inchx7.28inchx7.09inch, this Anatomical Ear Model is compact enough to fit on any desk or display case without taking up too much spaceWith Base: The Anatomical 3D Ear Model with base, easy to carryWide Application: The Anatomically Accurate Ear Model is suitable for Science, Classroom, Education, Study Display Teaching, and Medical Model Size Chart: 24.5cmx18.5cmx18cm/9.65inchx7.28inchx7.09inch Package Includes: 1Human Ear Model Note: Please allow slightly errors 1-2cm differences due to manual measurement.