The Ultimate 8×6 refil packs, hold upto 40 8×6 photos per pack and gives outstanding versitility for photo and document storage. The sheets can be iused with the Ultimate Photo album ring binder, which is a large strong binder designed to take all the Ultimate refil sheets. The photographs are slipped into the plastic pockets from the side in a horizontal format and the balck page gives a striking background. There are other size refil packs that cover A4 and negative storage as well as various print sizes.