Roadpro Deluxe Logbook Binder With Slide Rule Black Zippered 8.5 X 11.25 - Roadpro LB-006BK Black Nylon Mesh Cover with Soft Black Material on Spine & Zipper Closure 8.5 Width x 11.25 Height Inside Front Pocket Includes Precision Slide Rule 2 Pen Pockets & Clear ID/Business Card Slot