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, Yellow 8 pound, Purple10 pound, Blue12 pound, Green15 pound, Red 18 pound, Brown Equipment: Resistance Training