Justrite 1/2 gal Oval Safety Can with stainless steel hardware is made of polyethylene and has dual-density flame arrester that protects against external heat sources. Justrite's unique design includes a current-carrying carbon insert that is imbedded into the can for proper grounding and can increase shelf storage capacity by 30 %. Type I can has trigger mechanism that enables the pouring of small quantities of liquid. It has leak tight, self-closing cap that prevents spillage and automatically vents to guard against explosion.