eagle binder pockets, poly binder folders for 3 ring binders, letter size, 1-inch gusset, translucent envelope with hook and loop fastener, assorted colors, for home, school and office use, pack of 12 eagle eagle binder pocket with gusset is well made of acid-free durable polypropylene, water and tear resistant. measure of 11.5נ9.5 inches, suitable for storage of letter size documents, and come in a pack of 12 in assorted colors. it is designed with expandable gusset for larger capacity and can hold up to 200 sheets of standard papers. with 3 holes on the left side, it fits standard 3-ring binders. great for school, office and home use.