WORLD WIN PAPERS-Fotomatr Memorabilia Pockets With Binder Brackets. These pockets are a great way to store your important pages and can be personalized how you want them to be! This package contains four memorabilia pockets with sturdy built-in brackets. The pockets measure 4-1/2x7 inches and work with all standard size 3-ring binders. Acid Free. Imported.