About this item 1" black binders hold us Letter size 8-1/2" x 11" paper, round ring can hold 200+ paper capcity, 12 packs. Rounded edges make CIXILDTS binder usage safer, 2 extra interior pockets for scattered files. The sturdy three rings can be easily opened or closed with ease, make your work more comfortable. Basic presentation view binders with clear view ploy pocket allow customer to customize the covers. 1 inch 3 ring binder is very suitable for students and office workers to use in schools and offices. › See more product details