Features: brand new and high quality FOR ASTHMA DISEASE RESEARCH. This human organ anatomical model includes 3 sections: left primary bronchi, right primary bronchi, and part of trachea. A professional medical teaching prop, for study asthma disease; bronchitis; chronic bronchitis, and other respiratory disease. REALISTIC TEXTURE. Designed to replicate and show the real anatomical structure of bronchus. Advanced computer colorful painting, various colors are for distinguish different positions. Realistic human organ structure, not easy to fade, easy to view. WITH DISPLAY HOLDER. Each anatomy bronchus model is with a display holder rack. You can clearly view the main anatomical structures of left and right primary bronchi. Great for educational lectures, patients communication, antomical teaching, etc. TOP QUALITY, REUSABLE. Adopts high-quality eco-friendly PVC material, corrosion resistant, lightweight, and has high strength. Non-smelly, non toxic, reusable, eco-friendly, human skin-like deisgn. Extremely realistic, great teaching presentation tools. WIDE APPLICATION. Widely used for hospital, doctors office, anatomy classroom, advanced student and clinicians, laboratories, medical lecture report, school medical presentation, and scientific reaserch institutes, educational purposes only. Specifications: Material: PVC Model Width: Approx. 12.5cm/4.92in Base Size: Approx. 17.5x14.6x2.5cm/6.89x5.75x0.98in Color: Assorted Color (As Picture Shown) Weight: Approx. 515g Package Includes: 1 Piece Bronchus Anatomical Model note: 1.Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you!