The Vue -All Negative Saver Archival Storage Page 35mm is used for securely preserving your negatives with high quality archival pages.It has a capacity to holds 7 strips each having 6 frames of 35mmThis Vue-All Negative Saver is specially designed for 3 ring binders and hanging files and comes as 25 per packMade of thick polyethylene, this negative saver ensures high clarityIt has side loading mechanism