Sharp Shape JI0440 0.8 kg wrist and ankle weights: They are a great tool for exercising with your own weight, and you can make exercises more difficult and push your limits a little further. A Velcro zipper ensures quick and easy use. The cover of the weight is made of a high quality and pleasant PE material and the filling is made of metal plates. Sharp Shape weights promote dynamics, endurance, and strength. You can use them for regular workouts as well as for running, walking, Nordic-walking, weight training and other endurance activities.