Globe-Weis Binding Case, Letter Size, Regular Arch, Each (B50BC) Durable kraft binders house your important archivable records Binders slide into their own heavy-duty case for long-term storage Thumb-cut labeled spines allow you to access the right files at a glance Letter-size with 2-3/4" center-to-center binding posts, 2-1/2" regular arch Paper made from 100% recycled fiber with at least 95% post-consumer content