Canon's new premium glossy photo paper was redesigned with the features of the reputable Photo Paper Pro [Model number: PR-101]. The reputable solid feeling texture and image reproduction ability for depth and natural feel of Photo Paper Pro [Model number: PR-101] were inherited by Photo Paper Pro II [Model number: PR-201]. Features of each layer Adoption of alumina "Alumina" is adopted on ink-receiving layers as with Photo Paper Pro.  "ECF" processed pulp is adopted for the base paper. *Conceptual image Photo Paper Pro II [Model number: PR-201] | Weight | 65lbs (US) | | Thickness | 10.2mil | What is ECF (Elemental Chlorine Free)? It is a pulp bleaching process using chlorine dioxide (ClO2) instead of using chlorine gas. Generally, it is said that the ECF process hardly emits any chlorinated organic compounds since it does not use chlorine gas. |