Holds 4 standardsize trading cards. . Pages are clear on both sides. Sheet size: 63/16" x 711/16". Pocket size: 25/8" x 35/8". Archival Quality. AcidFree. PVCFree. Super Clear. Very Strong. Prepunched holes. . These pages fit only in the UltraPro Mini Collectors Album and the UltraPro MiniZippered Album (they do not fit in standard 3ring binders)