These 1S pages are a must-have for stamp collectors. Made of archival quality, they're both acid- and chemical-free to help prevent premature chemical aging of your collection. Each page is 8.5 inches by 11 inches to fit most standard collector albums. Each pack includes a variety of layouts to choose from. You can display your stamp collection in the most flattering arrangement. These pages feature black backing and one pocket on the front and another matching pocket on the back.