Cardinal HeavyDuty ClearVue Round Ring Binder, 3-Inch, Blue (49305) PVC-free cover material will not stick to cover inserts or materials stored inside, archival safe for all documents including photos Clear non-glare overlay for customization on all three sides Back-mounted, non-locking round ring with dual opening and closing triggers allows sheets to lay flat Horizontal pockets on inside front and back covers Cover board made from 100% recycled fiber with at least 98% post-consumer fiber