Three piece gas mask set consists of mask, bag, and small tank. The mask is made out of rubber. It slips over your head. It has two eye openings. On the bottom there is an attachment to hook up gas. Mask measures 13.5" in length. Folded in half the mask measures 8.5" across. The canister is olive green. It stands 7" in height. The hose is 19" long. It reads XI-90-14 6K across the front. Olive green bag included. Bag is missing button. This may come in handy in today's world! Perfect steampunk.