Designed for comfort, a professional look and oversized function. Curved back spine received Comfort Certification from US Ergonomics. Compact designs easily houses over-sized indexes and sheet protectors without overlap. Easy open Soft Click™ locking D-ring opens with one simple motion. Premium vinyl sealed over heavy-duty chipboard for the highest quality binder. Clear overlay on front, back, and spine for easy customization. Capacity Range [Max]: 5"; Sheet Capacity: 1050; Color(s): Black.