Fatsac Fat Brick SacFatsac Fat Brick Ballast Bag The Fatsac Fat Brick is the ultimate tool for targeted ballast placement. Measuring 16x16x16 inches and adding 155lbs wherever you need it, it's ideal for achieving a clean, balanced wake on both sides of the boat. Handcrafted in the USA with the highest quality standards and in house fittings for complete customisation. Comes with all necessary fittings for use with the Supa pump (sold separately). Custom printing also