FATSAC Jumbo V-Drive Wakesurf Fat Sac Ballast Bag - 1100lbs - Gray [W719-GRAY]Jumbo V Drive Wakesurf Fat Sac Ballast Bag 1100lbs Gray As the largest off the shelf ballast bag FatSac offers, the Jumbo V Drive Surf Sac offers a massive 1,100 pounds of capacity. Ideal in v drives longer than 23 feet, these bags will work well anywhere you have the right amount of space for them, including smaller v drives with tall compartments, and even direct drive boats. The inset fill ports on the top make it easy to access the connections,