This is the pre-cut 2 yard long diffusion fabric We also sell this in 1 yard long pre-cut and we also sell a continuous by the yard version for long lengths We use this nylon translucent textile to make the ALZO Tents softbox diffusers and diffusion panels This fabric is coated with a non-yellowing coating and is perfect for creating very large diffusion panels and for the DIY tent builder Light reduction is about 15 f-stops unfinished on all 4 sides