Slant-D® rings hold 25% more than standard round rings. Locking rings keep contents secure. Patented Expand-A-Pocket® in back holds an additional 1/2" stack of paper. DataGuard™ inside pocket protects documents from ring impressions. Cover board made from 100% recycled fiber with at least 98% post-consumer fiber. 4". Black w/ LH. 890 Sheet Capacity. 1 EA.