Skin friendly silicone. Adjustable Wrist Weights/ Ankle Weights For; Working-out, Jogging, Running Pilates Weight-Bearing Bracelet Fitness Wristband Running,, walking, travel, home exercise, pilates and other sports and fitness methods, Hands-free way to exercise arm resistance. It can be worn on wrists and ankles. Weight 0.5kg each so one on each of your wrists would be 1kg for example. Adjustable Velcro paste closure: It ensures that the bracelet is tailor-made to your ankle and wrist, tightly attached and fixed, just a few seconds to put on and take off, easy to move the weight-bearing bracelet. Easy to clean:. It is resistant to sweat and odor. The product is compact and beautiful in style. The weight of the product during daily wear is equivalent to that of accessories, which will not cause too much burden.