Mystic’s all-purpose 2-inch, 3-ring FDC binder is ideal for your First Day Cover collection. Our “Lay-Flat” design lies completely flat so it’s easy for you to mount and view your covers. Sturdy construction will keep your covers protected. Binders are two inches wide, giving you lots of room to hold your stamps. Measures 9 1/2" x 10 1/2".