Gorilla Tough & Clear Mounting Tape Squares are clear， double-sided， 1-inch squares of tape that mount in an instant， for a permanent， weatherproof， bond. These crystal clear squares won't yellow over time， and hold up to 7 pounds. Ideal for indoor and outdoor projects and stick to smooth and rough surfaces. Completing DIY projects is easy with these pre-cut， double sided squares. Mount， build， and repair.