These professional training manikins are designed to teach CPR and lifesaving skills. These manikins make it affordable for instructors to provide a onestudent- to-one manikin training ratio in CPR, AED use, & the Heimlich maneuver. The manikinís unique design is not only durable enough to withstand the equivalent of 10,000 student usages, but its tough, yet soft foam-based construction makes the manikin extremely lightweight. The 7 pack kit includes 5 adult and 2 infant manikins, 150 lungs bags, and carrying case. Extra lung bags are available for purchase.