XIAANQI When occlusion training is performed, the anaerobic energy process (training based on blood flow regulation exercises) activates more rapidly than an equivalent exercise without occlusion. This is the body's compensation for the lack of blood flow in an attempt to maintain the intensity of the exercise. Easy to use, the buckle design is reasonable, you can adjust the tightness according to your needs, without any burden on your body. Enhanced long-term durability for a proper bite without compromising comfort and breathability, avoiding stuffiness and heaviness. Our bootstraps are very easy to clean and won't stick to hair and dust. Best for blocked blood vessels and less likely to leave marks after exercise. The length is suitable for most people, and the length and tightness are easily adjusted. Blood Flow Restriction Bands bfr Booty Bands Blood Resistance Bands bfr Glutes Bands for Women Sports Injury Reduction Training Bands allow for high weight training results and lower risk of muscle damage using less strength training. Work out anytime, anywhere Our training bands are small enough to take anywhere. Let you exercise anytime, anywhere and build a fitness habit, whether at home, outdoors or in the gym. Quantity shipped: 2 piecesProduct color: blueProduct size: about 90*5cm