Sunfilm Reflective Metalized Film 2 mil - 54 in x 100 ft Roll (9/Cs)Used in indoor gardens to reflect the light back onto the plants. This film can be tacked or taped directly to a flat surface. Both sides are metalized for optimum reflectivity. Neatly wound on 2 in cores. Individually poly-bagged and labeled. Excellent, consistent quality. Comes in 54 in width.