Introducing the Ziva Power Core Bag - the ultimate addition to your workout routine. This versatile bag is not just a simple gym bag, but a challenging tool designed to enhance your strength and stability. With its steel shot and sand fillers, it offers an exciting workout challenge for your core and full body. Get ready to take your fitness to the next level with the Ziva Power Core Bag. Product Features: • Wrapped in thick PVC skin • Easy to clean surface • Heavy-duty nylon straps • Sand filler in special liner bag for even weight distribution – Available in various sizes