VersaBags are a new generation multifunction training system offering incredible versatility and exercise application. The only training tool that combines common Barbells, Dumbells, Powerbags, Kettle Bells and Medicine balls all in one indestructible user friendly package. Totally Portable - Indoor or outdoor training on any surface. All Levels - Versatility and comfort suits all ages, fitness levels and training goals. Hardwearing - Soft flexible bags are constructed of heavy duty PVC to stand up to the harshest conditions. Dirt, dust or sweat simply wipes clean.. Does not include sand.