FatSac Jumbo V-Drive Surf Sac This FatSac Jumbo V-Drive Surf Sac is made from extremely durable Valmex material that prevents punctures. With welded and taped tough, strong seams, this 1100 lb sac is both durable and versatile. This jumbo surf sac will fit and fill any rear v-drive compartment to give you maximum weight. It will also conform to fit into other places and in other type boats. It is perfect for building massive wakeboarding and wakesurfing wakes. Features Welded and Taped Tough, St