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.12" and 24" rolls are packaged in a handy dispenser box: 48" roll is packaged in a reusable sleeve.