These ultra shiny, super mirror-like reflective Mylar rolls can be used for a variety of colorful decorative and wrapping applications. Use them to reflect light and surrounding decorations.5 colors are available in 24 in. x 8.3 ft. rolls:Blue, green, and silver Mylar is .002 mm thick.Red and gold Mylar varies from .001 to .002 mm thick. Sold as PACK OF 4.