Locking Slant-D rings secure binder contents and keep ring wires aligned. Holds 25% - 50% more than conventional round ring binders. Made from the heaviest vinyl in the industry. Clear overlay on front cover, back cover and spine allows insertion of custom title sheets for a professional looking presentation. Expand-A-Pocket in back expands to hold up to 1/2" stack of materials. Exclusive DataGuard Pocket inside front protects documents from damage. Maximum Capacity Range ("): 4 in; Sheet Capacity: 890; Color(s): White; Binder Sheet Size: 11 x 8 1/2. Clear overlay on front cover, back cover and spine allows insertion of custom title sheets for a professional looking presentation. XtraLife Hinge design for maximum strength and durability. Holds 25%-50% more sheets then conventional round ring binders. This supplier will be closed on 11/24, 11/25, 12/23, 12/26, 1/2 for the holidays. The shipping cut off is UPS"s cut off of 12/15 to try and have the products delivered by Christmas.