ClearVue Locking Slant-D Binder features antimicrobial properties built-in to protect the product. Locking Slant-D Rings with GelTab Triggers hold 25 percent more letter-size paper than standard round rings. 1" ring capacity holds approximately 270 sheets. Back-mounted rings provide a clean, professional spine and reduce wear. Clear, nonglare, nonstick overlays on front, back and spine allow easy insertion of custom title sheets or graphics. Free templates are available online to customize title pages. View binder also offers horizontal pockets on the interior front and back covers for additional storage. Each pocket holds 40 pockets. Binder also features polypropylene construction, exposed rivets and a sturdy chipboard core.