Samsill Classroom Pack heavy duty Round-Ring Antimicrobial Presentation Binder holds sheet sizes of 8-1/2 x 11 in. It has a clear overlay on covers and spine for customization. Rings are mounted on a back lid to allow pages to lay fast and provide a sleek, clear appearance with a rivetless spine. Locking round-ring keeps documents secure and the binder has two inside pockets that provides extra storage for loose documents. Binders are well organized with fast-reference label holders. It contains 45% post-consumer recycled content. It includes 30 sets of 5 tab dividers and is Pack -30.