Material: Infant Airway Obstruction Model is made of PVC material, wear resistant and practical, has a long service time Teaching Tool: Infant airway obstruction model, standard scale structure, simulation of suffocation and foreign body obstruction of the airway, The model used to teach cardiopulmonary resuscitation (CPR) and Tracheal Obstruction of infants Package Included: With 1x neonatal human body model, 1x Oxford bag, 4x simulated replaceable lung bags, 20x cylindrical blocks simulated foreign bodies, 10x CPR mask, 1x instruction manual Size: Infant Airway Obstruction Model Length is 54 cm21.26 inch Easy To Use: Infant Airway Obstruction Model is convenient and simple to use, with no complicated steps required, It is great for teaching and studying by training or other medical professionals Specification: Material: PVC Size Chart: Length: 54 cm21.26 inch Package Includes: 1x Infant Body Model 1x Oxford Bag 4x Simulated Replaceable Lung Bags 20x Cylindrical Blocks Simulated Foreign Bodies 10x Cpr Mask 1x Instruction Manual Note: Please allow slightly error due to manual measurement.