Description:
Breathing Exerciser for Lungs helps you improve your endurance, exercise breathing and abdominal muscles, and decrease the accumulation caused by body waste, therefore strengthening your overall performance.
Specifications:
Product Name: Breathing Trainer
Size: about 5*10cm
Material: Silicone, ABS
Weight: about 68g
Use: Aerobic exercise
 
Packing List:
1pcs* Lung Capacity Exerciser Device