This set from Zipro consists of 2 weights for the wrists and ankles, which increase the effectiveness of exercises and bring better results. They are filled with sand and metal microbeads, and their outer material is made of soft neoprene. They do not irritate the skin, are flexible, and dry very quickly. The strap with adjustable length and Velcro fastening makes them easy to put on and ensures that the weights remain stable during the workout.