Air Force Pilots & sea-air Force Crew Underarm Life Preserver (A/M) Model: IRN-NUR-AV-PLT1 Part Number: IRN-AVPLT1 General Characteristics: Specifically designed for Covert (C) operations, combat swimmers and/or maritime airborne ops. Provides independent left- and right-hand units and can be belt mounted, independently activated. Specifications: -Buoyancy: 70 lbs. /30 kgs. 1752 Gms, Inflation System: two 33 grams. CO2 cylinders -Cover Fabric: Cover: 300D oxford with PU coating, Chamber: 210D Nylon/0.11mm TPU