THIS IS A NEW BLADDER KIT SIZE LARGE. I HAVE AND ONE MEDIUM.The item "BLADDER KIT FOR HGU-55 HELMET FLIGHT HELMET PILOT SIZE LARGE" is in sale since Wednesday, July 8, 2020. This item is in the category "Collectibles\Militaria\Militaria (Date Unknown)\Air Force". The seller is "tasnavy" and is located in MILANO. This item can be shipped worldwide.