Please check the pictures carefully to know how to add the pages.It is important. Refill pages only suitable for TOTOCAN 13.2x13 inch size albums. Size: 10.8" x 12.8" 10 Sheets ( 20 pages ) Hold many size photos, tickets and certificates including 3”X5”, 4”X6”, 5”X7”, 6”X8” and 8”X10” inches. Dust-free, air-free, glue free acid, lignin and PVC emission free