No-gap rings open, close and lock with one simple motion. Heavy duty binders will stand up to active use. Made with PVC-free, transfer-safe poly. Features clear overlay on front, spine and back cover for easy customization and two interior pockets. Binder Type: Ring; Binder Style: View; Binder Size Capacity: 1.5"; Binder Sheet Capacity: 400.Package Includes: (1) Spine Insert