* Double sided tape - Sticks to rough and smooth surfaces. * Instant hold - Delivers a fast, permanent bond. * Easy to use - Easy to apply pre-cut squares. * Bonds - Metal, Wood, Glass, Brick, Ceramic, Stone & More!Gorilla Mounting Tape Squares are small squares of double-sided tape that can stick to both rough and smooth surfaces. With an instant hold, the Mounting Tape Squares delivers a fast and permanent bond. The squares are pre-cut and easy to apply, making them so easy to use! Bond the squares to all kinds of materials! Just remember the Gorilla Mounting Squares are not for use on wallpaper or delicate surfaces but also not suitable for use with PP or PE plastics.