Cardinal 1-Inch, Round Ring View Binder, Black, Case of 6 Binders (00412) Poly material will not stick to cover inserts or materials stored inside Clear, non-glare overlay for customization on all three sides Back-mounted round ring metal 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