Weight: 1.1 lbs (0.5 kg); Weighs your ankles for training. Many people think it can be difficult to walk around when you put the weight on it, but the other side weighted may make it easier to carry like a penduum. The simple design makes it easy to train without being noticed. Determine the weight according to your physical strength. Product Recommendation: Point 1 0.1 lbs (0.5 kg), Set of 2 Point 2 Velcro for easy installation. Can be fixed according to your foot size