A waterproof alternative to reflective mylar! Black & White Poly is black on one side and white on the other. The white side is used for reflecting light back to your growing area (90% of all light). The black side prevents light filtration in to your indoor garden.
Heavy-duty construction is perfect for partitioning growing areas and can also be used for lining floors and other surfaces. Easy to install.
• Easy to cut and install
• Heavy duty poly film is waterproof
• Black side blocks out light
• White side reflects — perfect for walls and floors!
• 3 ft. wide roll — folds out to 10 ft. wide
Size: 10′ x 100′ rolls (available in 4 mil or 5.5 mil thickness)