Fly High Pro X Series Fat Sac Brick Ballast Bag 2011: Do you have wider weight distributions among wakeboard friends that make it difficult to balance the weight distribution in your ride? The Fly High Pro X Series Fat Brick will help you solve this problem. This ballast bag weighs in at 155 pounds when full; it’s compact size allows you to quickly reposition it to fine-tune the boat’s wake and eliminate any unwanted wash.