FatSac MasterCraft X-2 Rear Ballast BagThe X 2 Rear Fat Sac was designed to fit perfectly in the shorter rear compartments of the boat. It may be shorter than the traditional Pro X Series Fat Sac, but it still adds some serious weight. Specifications Fittings not included 2 port holes 18 x 20 x 32 425 lbs. Color: Grey Warning: Do not exceed the weight capacity of your boat! The Rules of FatSacs Rule 1: The Bigger the Wake the Bigger the Fun Rule 2: As you add more Fat Sacs, keep the weight