You can depend on this B811NF Crystal Clear No Flap bag made from 1.6 mil BOPP material for the protection and storage of 8 1/2" x 11" historical and authentic documents, COAs, photos, stationery and more. It measures 8 15/16" x 11 3/8" and allows space products with mats or foam core, and double mats with backing board up to 1/4 inch thick. Insert and access your materials with ease. The optimal clarity offers outstanding visibility of your documents, such that they may never need to be removed from their protective sleeve.