Target Audience: All ages and genders interested in fitness and exercise. Target Use Body Part: Ankle. [Regular weight] Red - 0.5lb (2), Green - 1 lb (2), Purple - 1.5 lbs (2), Blue - 2 lbs ( 2), Orange - 3 lbs (2), Sky Blue - 4 lbs (2), Grey - 5lbs (2),Black - 6lbs (2), Grey - 7.5lbs (2), Black - 10lbs (2).