The model is composed of 8 parts: auricle, external auditory canal, middle ear tympanum, tympanic membrane and ossicles, petrous part of temporal bone, inner ear labyrinth and Eustachian tube, and shows the outer ear, middle ear tympanum, tympanic membrane and ossicles, eustachian tube, temporal bone There are 58 signs in total for the rock and inner ear labyrinth. Specification: Size: 4 times magnification, height 34cm, width 40cm, thickness 22.5cm Material: PVC material, paint, computer color matching, colorful painting Products Include: 1 × 3D Human Ear Anatomical Model Notice: --1-2 cm measurement error is a reasonable range, due to the manual measurement methods. --Please be reminded that due to lighting effects, monitor's brightness contrast settings etc, there may be a little difference in the color of the pictures and the actual item.✓WIDELY USED: School teaching, learning, researching display tool and lab ornament supplies. Great for Schools, hospitals, visual aids in physical health teaching. Really a great teaching aid for anatomy and physiology courses. ✓8 PARTS EAR ANATOMICAL MODEL: This model is composed of the auricle, external auditory canal, middle ear tympanum, tympanic membrane and ossicles, petrous part of temporal bone, inner ear labyrinth, and Eustachian tube. ✓PROFESSIONAL: Perfect teaching model for scientific, colleges, universities, patient education and medical offices, allowing for the study of the small details and bones in the human ear. ✓4 TIMES ENLARGED: Showing the structure of the outer ear, middle ear tympanum, tympanic membrane and ossicles, eustachian tube, petrous part of temporal bone and inner ear labyrinth, etc. ✓MATERIAL: Made of food-grade PVC material, exquisitely hand-made, no weird smell, washable and not broken, strong and firm, anti-falling and compressive, healthy and safe.