The Tone Fitness Wrist Weights are an easy and quick way to build stamina and muscle in your workout. These weights help tone your upper body muscles. Each pair of these exercise wrist weights measure 0.5kg. and can be worn for workouts at the gym, park, or just out running errands. The added weight forces your body to work a little harder, enabling you to burn extra calories. These 0.5kg. wrist weights feature a soft, comfortable neoprene construction that adds extra resistance to any type of workout. The unique Ergo-wing design conforms to the wrist for added comfort and a secure fit. Using these neoprene wrist weights, you can lose that additional pounds of your body.