This is the newest version of the German Air Force/Navy Life Preserver Survival Vest SECUMAR 20 HLA for Tornado Pilots,for about water commitments,the contents of the Bladders are (20 liters) , the Secumar 20 HLA used with the GAF up 2007, this 20 HLA is size Large , this 20 HLA has 2 contents: original GAF minimal Survival pak in Alu box and signal whistle ,all in exellent condition,vest with 2 deco CO2 bottles and water automatic inflating and hand inflating device and bladders, Date 2013 !!!,very nice item ,all in exellent minimal used condition,extrem rare and extrem hard to find in this condition, not demilitarisiert, BUT OFFER IS FOR DISPLAY ONLY! COLLECTORS ITEM ! NOT FOR USE!!!