Cardinal Round Ring 1-Inch Reference Binder, Black, Pack of 8 (00317-C)
Eight pack of three-ring binders made of PVC-free poly material that will not stick to cover inserts or materials stored inside. Superior cold-crack resistance to 5 degrees F. Back mounted round ring metal with dual opening and closing triggers allows sheets to lay flat. Contains 51% recycled content by material weight; 48% post-consumer recycled content. 1 inch round rings, black. Binders are great for school, office, home organization.