U.S. Army Protective Cover Gas Sheet This is a large vinyl bag with one end made of clear plastic to see though. It was to be worn in the case of a muster gas attack. During WWII gas was not deployed and G.I.'s would use these as easy rain covers or ponchos. Every gas mask that was issued had these in there correct bags. - - - - *Shipping & Handling, we have included the price of shipping & Handling *Domestically* in the overall price of the product. If you are an overseas buyer please contact us before making your payment in order to get a shipping quote