This is a original German Air Force/Navy Life Preserver Survival Vest SECUMAR 10 HLA for Tornado Pilots,for about water commitments,the contents of the Bladders are (10 liters) , the Secumar 10 HLA used with the GAF to 2007, this 10 HLA is size Large , this 10 HLA has 2 contents :original GAF minimal Survival pak in Alu box and signal whistle,include is the very rare vest Survival Radio antenna for the radio ,all in very good original condition,vest with 2 deco CO2 bottles!!!!! and water automatic inflating and hand inflating device and bladders, Date 1999 !!!,very nice item,extrem rare and extrem hard to find in this condition, not demilitarisiert, BUT OFFER IS FOR DISPLAY ONLY! COLLECTORS ITEM ! NOT FOR USE!!!