Cando 5-inch Diameter Medicine Ball - Black - 6.6 pound by Cando. $24.08. The color coded Cando® soft weighted balls are small enough and flexible enough to grasp with one hand. They can be in yoga, pilates, or and cardio class for added resistance. Cando balls are available in weights from 1.1 lbs. through 6.6 lbs. (0.5 to 3 kgs.) while maintaining a constant 5 (12.7cm) diameter and have a durable outer shell.