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. 3" ring capacity holds approximately 725 sheets. Back-mounted rings provide a clean, professional spine & reduce wear. Clear, nonglare, nonstick overlays on front, back & 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 & back covers for additional storage. Each pocket holds 40 pockets. Binder also features polypropylene construction, exposed rivets & a sturdy chipboard core.