Hydrofarm Black & White Poly, 100' x 10', 4 mil – 10' x 100' - 4 Mil- Roll

The white side is over 90% reflective for use on the walls and floor of your growing area to reflect light back to plants. The black side provides a light-resistant partition. Features: Waterproof and tear-resistant Use as is or cut to size Available sizes 10' x 25' - 5.5 Mil sheet 10' x 10' - 5.5Mil sheet 10' x 100' - 4 Mil Roll 10' x 100' -5.5 Mil Roll