10 - 10" BRODART FOLD-ON BOOK COVERS -- Center-Loading, Adjustable, Clear Mylar Center-Loading Dust Jackets fits dust jackets up to 10" tall Lo-Luster covers cut down on glare from overhead lights, protect against harmful UV rays and hide jacket imperfections. Closed edges are permanently bonded, paper backing for added protection Covers are 1.5 mil thickness, paper is acid-free