Breathing ExerciserThree-ball deep breathing exerciser, through simple exercise to help achieve optimal lung capacity and restores disrupted breathing patterns, improve and detox your lungs High QualityThe breathing port is made of safe and comfortable PE material with ergonomic design for safe reliable use. The main body is thickened and strengthened, integrated manufacturing ensure durable and fall proof Bright Color BallBright color ball shape design integrated with color psychology, encourages you to train Easy to CleanThe bottom filter can keep the ball clean, care for your healthy. Pipeline with good bending resistance, not affected by the position, easy to clean and durable Easy to UsePlace your mouth around breathing port and Inhale; Inhale thoroughly to lift the balls at the top; Inhale for as long as you comfortably can; Remove the breathing port and exhale properly. Repeat the process Product Quantity: 1 Piece Product color: black Product size: 133*138*69mm