Pioneer 12 Inch by 12 Inch 3-Ring Sewn Italian Cover Scrapbook Binder, White Holds most 12 inch by 12 inch sheet protectors including Pioneer 12 inch by 12 inch memory book refill pages and 4-up 4"x6" pocket refill pages (46-VHP). Archival, acid free, photo safe. Uses refill RMW5.