If you are a fitness enthusiast you will enjoy this exciting new training with the Smooth Dynamic Resistance of Sand! It’s the hottest new workout in the fitness market. BillyStix are weighted stix that add leverage, force and weight to your workout. A revolutionary new product that will challenge you and work your muscles by combining muscle confusion with interval training. It’s a full-body workout that will have you sweating in no time! BillyStix works your upper body, lower body, core, cardio, balance, and agility.