This large black cloth helps keep your darkroom dark.
One unit measures 1 yard (36 inches) by 58 inches.
It is 100% Nylon cloth, coated with rubber; resulting in a fabric as thin as a business card or a t-shirt that is 67% nylon and 33% rubber.
When ordering, the order quantity must be equivalent to how many yards you are ordering. i.e. 3 linear yards worth of material would be ordered as a quantity of 3.