Comments about Delta Delta Static Black Out Vinyl Material For Darkrooms, 36"x48" Sheet:
It would have been helpful to know that doulbe thickness to be effective and I would have ordered more. It did not seal too well on the edges so what I hoped would be a simple way to make a light proof room at a house I rent so needed it to be non marking only did half the job. Probably ok for something without direct sunlight and in small areas.