These pages are stronger and stiffer than the regular Vario pages. VARIO PLUS 7S Pages, have 7 pockets (1-1/4" x 7-5/8"), All materials are acid-free and contain no harmful softeners. Pages are 2 sided. Welded crystal clear pockets. 100% safe for all philatelic and numismatic uses. Pages come in packs of 5 of one type. Overall page size: 8 1/2 x 11" (216x280mm).