Apollo life vest assembly. Two parts, a yellow inflatable water wing, approx. 36 in. ''U'' shaped and a 4 x 6 x 1 in. beta cloth stowage case. An ID tag reads: DUAL LIFE VEST CASE, MFG. BY CSD/MSC (Crew Systems Division/Manned Spacecraft Center) P/N (Part Number) SEB 40100166-210, DATE OF MFG. JAN 68, S/N (Serial Number) 010. The unit was part of crew emergency water landing survival equipment and was one of two string-pull inflatable devices placed under each arm of a spacesuited astronaut.