Boating Magazing knows best.  The W707 Pro X Series 750LB Fat Sac is durable and will push you and your  wake to the next level.  This Ballast Bag fits any boat and conforms to any compartment. Available here at the Wake's End. 

All of Fly High's products are made in the USA and come with a full factory warranty.  And did we mention free shipping on anything over 99.00!?!?