Original Item: Only One Available. Officially called Life Vest, Pneumatic, Mark 2, United States Navy. United States Navy (USN) Mark 2 pneumatic lift vest; yellow rubberized fabric with rubber air bladders; 2 front pockets for C02 gas canisters; 2 dye markers packets and shark repellent in olive drab packet; attached strobe light on right shoulder; black rubber manual inflation tube on left shoulder; one lower equipment pouch on front bladder; whistle on lanyard on left breast; 2 steel snaps down front; yellow nylon draw straps. Dated July 1956 and manufactured by BAUER.