DescriptionIf you are looking for a professional and affordable CPR simulation lung bag, then your research is over here. That's because our product can meet your need. Adopted of durable material, it is practical and durable for long time use. It simulates lung and gives you a different using experience.Features- Color: Assorted. - Material: Plastic. - Size: About 22.00X20.50X8.00cm/8.65X8.06X3.14inch. - Made of durable plastic material, it can be used for a long term. - It can be used for artificial respiration cardiopulmonary resuscitationpractice, very practical. - Lightweight, portable, compact, the practice model is easy to carry and store. - This CPR simulation lung bag is great to exams and study practice or teaching demonstrations. - This is a suitable holiday gift for medical teacher or students, they will like it.