1. Material: The infant airway obstruction model is made of PVC material, which is wear-resistant, practical, and has a long service life. 2. Teaching tool: The infant airway obstruction model has a standard proportional structure and can simulate the situations of infant airway asphyxia and foreign body obstruction. This model is used to teach infant cardiopulmonary resuscitation (CPR) and the treatment methods for tracheal obstruction. 3. Set contents: It includes 1 neonatal human body model, 1 Oxford bag, 4 replaceable simulated lung bags, 20 cylindrical blocks simulating foreign bodies, 10 CPR masks, and 1 instruction manual. 4. Dimensions: The length of the infant airway obstruction model is 54 cm (21.26 inches). 5. Easy to use: The infant airway obstruction model is convenient and simple to use without complicated steps, and is very suitable for trainers or other medical professionals for teaching and learning. Specifications: 1. Material: PVC 2. Size table: - Length: 54 cm (21.26 inches) 3. Set includes: - 1 infant human body model - 1 Oxford bag - 4 replaceable simulated lung bags - 20 cylindrical blocks simulating foreign bodies - 10 CPR masks - 1 instruction manual Notes: Please allow for slight errors due to manual measurement.