OMS 2.3Kg Trim Weight Pocket A11918003 OMS Large Trim Weight Pocket enables Divers to Carry additional Ballast Weight on B.C.D. or Tech Harness Cylinder Mounting Bands or any other location Vertically or Horizontally using the 50mm - 2 Inch Wide Attachment Slot. Heavy Duty Pouch, manufactured from Super Strong 1680 Cordura? Nylon with internal Urethane Coating. Velcro Closing allows easy installation of up to 2.5Kgs ? 5.5 Lbs of Lead Shot Soft Weight, with 25mm ? 1 Inch 316 Marine Grade Stainless Steel D-Ring. Measures 12.7 Cm - 5 Inches X 15.25cm - 6 Inches