S.E.I. Postbound Page Protectors 6"X6" 10/Pkg-Top Loading. SEI-Postbound Page Protectors. Ten extended 6x6n top- loading page protectors for your 6x6in postbound albums. Page protectors are acid free; foam inserts and two post extenders. Imported. Meets CPSIA (Consumer Product Safety Improvement Act) Standards." Sold Individually Please note: If there is a color/size/type option, the option closest to the image will be shipped (Or you may receive a random color/size/type).