Lighthouse OPTIMA 2S Stamp Stock Pages-10 Pages OPTIMA 2S double-sided, black background pages are designed to hold American, Canadian and many European first day covers as well as postcards. Each of the 2 pockets on both sides of the page (4 total) measures 7-1/10" x 4-3/4" (180 x 120mm). The entire page measures 8-1/4" x 10" (202 x 252mm). Each order is for a pack of 10 pages. Made in Germany.