FatSac ballast systems are the original choice for Wakeboarding and Wakesurfing. Trusted by leading boat manufacturers, FatSac offers consumers a line of superior products developed through careful research and testing. Fat Sac ballast products are specifically designed to provide added safety, convenience and improved performance without causing damage to your boat. By using their advanced cutting machine, welding system and FatSac material, they can assure you that your FatSac will be extremely durable and of the highest quality. FatSac, crafted in Milwaukee, is your USA made wake boat ballast solution.