Gorilla Tape Black is extra strong, double-thick and incredibly tough. Whether you need to stick rough, smooth or uneven surfaces, this is the duct tape with extra grip. Indoors and out, you can use Gorilla Tape where you want. The rugged all-weather shell withstands the elements, and the double-thick adhesive remains strong, whatever it faces. Designed to be tearable, developed to be durable, Gorilla Tape stands up to the test.