This medicine ball is great for upper body and core strength training with an emphasis on torso swinging, chopping, and rotational motion training. It boasts a synthetic rubber surface with secure washer and rope. Wearing gloves is recommended when performing exercise/training with Power Rope Medicine Ball.Available weight / color:6 pound, Yellow8 pound, Purple10 pound, Blue12 pound, Green15 pound, Red18 pound, Brown Equipment: Resistance Training