Cardinal Economy 3-ring binders are now available in bulk packs of 12 so you can quickly and easily stock up for the office. These ClearVue presentation binders each have a customizable front, back and spine so what's inside is organized and easy to find. 1/2 inch. Holds 125 sheets. White. Round rings. Carton of 12. Durable hinge: A unique XtraLife hinge helps prevent tearing along cover seams customizable covers: Identify what you need quickly or create a unique look for presentations, proposals and more extra storage: Each binder has two clear interior pockets for extra unpunched paperwork.