Dimensions of the spool 3.10m by 50m or 5.00m per 50m
Fabric 100% fireproof polyester
This polyester fabric has been treated with a layer that lets the light go through. This makes it an ideal material to print for backlighted prints of big dimensions. It remains well stretched also when it gets hot, something one can not obtain with the PVC backlit materials.
It is similar to Artist Light, but slightly more heavy and a bit easier to mount.
Here an article that explain how to use Artist: Prints illuminated from behind