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. Includes fast reference label holder. Capacity Range [Max]: 1"; Sheet Capacity: 250; Color(s): Dark Blue. Includes one binder. 100% recyclable