6 oz. black, spray electrical tape, waterproof, indoor/outdoor use, rubber based coating will not harden, unravel or become brittle in extreme weather conditions, 2 times the dielectric protection on the market, 200 v/mil, 5-7 mils per coat, insulates cables, electronics, outdoor lighting, underground wiring, alarms, security systems, utility trailers. Perfect for long distance and large applications.