Custom MasterCraft X Star Rear Ballast Bags (Pair) These bags are custom designed to fit in 2005 to Current MasterCraft X-Star wakeboard boats and also works perfectly with X-45 as well!. Each bag adds over 750lbs. of ballast to help shape up your wake for monster air. Bags are custom fit so they won't bunch or bind in the rear storage compartments. These bags feature the worlds strongest ballast bag construction and are extremely resistant to rips, tears and abrasion. Please note that this is for the custom bags only. No fittings or hose is included with these bags. Sold as a pair.