These DOLPHIN TECH weight pouches provide a secure place on the tech BCD for the weight. Once mounted, they will not interfere with any movement while diving and the simple, fail-safe quick release  mechanism works every time. · Store extra weight on your belt while keeping it out of the way. · 4.4 lbs (2 KG) capacity. · Non-diver releasable trim weight pouches for improved weight distribution and balance. · Open corners for drainage. · Heavy duty 1680D nylon material will prolong usage.