1. Large lung model enlarged 2 times, showing left and right lung.
2. The dummy's exterior is made of transparent material that can see through the trachea and bronchi that are inserted inside the lungs.
3. The model is made of good quality plastic, about 26 centimeters wide, about 30 centimeters high, and about 15 centimeters thick.
4. The model is mounted on a wooden base. Strong and stable, size about 30x35 cm.