\The Rosco 48" x 25' Matte Black Cinefoil is a matte black aluminum material that virtually soaks up light. Ideal for masking light leaks and/or eliminating unwanted reflections. It can be quickly molded to form barndoors, flags and other configurations. Lightweight, yet durable, Cinefoil can be quickly positioned in place with tape, staples or adhesives. Cinefoil is now available in convenient shorter lengths for still photographers, videographers and students, This package comes in the size 48 inches x 25 ft.