Indigo's Piggyback trim weight pack is the perfect way to fine tune your trim while using the Paul DeGelder Bionic AF, BZ Zulu, Tactical, or Scarlett BCD.    Three distinct weight pockets hold up to 3# each and allow not only trim weight,  but top to bottom adjustments.  Made of 1680 Cordura for a lifetime of reliable service. Each pocket has a a Stainless Steel grommet for draining and multiple mounting positions ensure a proper fit every time.