Wraparound spine pocket makes it easy to customize front back and spine using a single letter size insert. Number of Sleeves: 12.Front Cover Color: Black.Back Cover Color: Black.Sheet Size: 8-1/2 x 11.Spine Color: Black.Insertable Cover Overlay: Partial Back Cover Partial Front Cover Spine.Binding Type: Permanent.Sheet Type: Unpunched.Cover Material: Polypropylene.Compliance Standards: Ease-Of-Use Commendation from the Arthritis Foundation.