This is an original WW2 bladder. I recently acquired the old stock of an airplane parts supplier and have more mask parts available.The item "ORIGINAL WW2 USAAF US ARMY AIR FORCE A-8 OXYGEN MASK BLADDER" is in sale since Monday, October 7, 2019. This item is in the category "eBay Motors\Parts & Accessories\Aviation Parts & Accessories\Pilot Gear". The seller is "steviewonder2002" and is located in Santa Rosa, California. This item can be shipped worldwide.