Material: metal, textile, rubber. Size: 4 3/4" W. x 5 1/2" L. x 2 1/2" D. Description: green painted metal canister - rounded box shape - olive green cotton over rubber hose (1 3/4" diameter x 12 1/2" L.) extends from canister top - white tape wrapped around hose at each end - other end attached to khaki canvas face mask lined with black material - two circular plastic eye piece lenses at top - black elastic straps to secured mask to head and a metal junction where hose and mask meet.