Enhance your respiratory performance with our Athlete Lung Trainer from Gio's One Stop Shop. This Portable Breathing Trainer for Daily Fitness Training is designed to optimize your workout by increasing lung capacity and stamina. The lung trainer is adjustable to different fitness needs, ensuring it suits both beginners and advanced athletes alike. Plus, its easy-to-clean design makes maintenance a breeze. Integrate this essential tool into your routine and breathe new life into your fitness journey. (CASE AND STRING NOT INCLUDED)