4 OZ, Black, Liquid 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, Packaged In A Transparent Plastic Bottle.