MAX PRO 25 ct pack ADJUSTABLE Archival LIBRARY / Paperback / BOOK / Manga COVERS 7 3/8 x 12 MAX PRO 25 ct pack ADJUSTABLE Archival LIBRARY / Paperback / BOOK / Manga COVERS 7 3/8 x 12 Cover measures 7 3/8 x 12 (7.5 Tall) Measure the width of the the front and back cover plus the width of the spine of your book to see if it will fit. 25ct pack of Covers - Fits books 7 3/8 inches tall & maximum of 10.75 total or smaller (front cover + Back cover + spine). Excellent Quality and Durability.