INNSTAR Vertical Jump Trainer Leg Strength Resistance Bands Set for Basketball Triple Jump Football Volleyball Training Provide

The length of the lower limbs resistance tube is 10 inches and it can be stretched to 60 inches due to the maximum limit of the length of the sleeve.Increase vertical jump improve leg strengthleg explosive power agilityrunning speed flexibility balanceand endurance This product can be used for basketball volleyball and football sports training and squat training