Harbinger 4-Pound Weighted Resistance Ball

Weighted Fitness Balls designed to be easily grasped, used and appropriate for every level of athlete

• An alternative to using metal free weights

• Enhances strength and endurance by helping isolate specific muscle groups during training

• Works effectively for hands, biceps, triceps, abdominals, lunges, leg curls and stretching

• Made out of soft, pliable, high quality PVC

• Weighted with fine sand and air