The 36" x 50' roll of Platine Fibre Rag 310 Archival Inkjet Paper from Canson Infinity is a 100% cotton fibre inkjet rag that provides the aesthetic and feel of the original F-Type Baryta Fibre paper. It has a true pure white tone without using optical brighteners that are known to affect the longevity of digitally produced images. Platine Fibre Rag's high Dmax and grey tones are geared towards black and whites as well as color photographic prints.