This "3D" design is perfect for counting down to Christmas. The Advent calendar folds out to 18" creating an eye catching display that will draw attention in any room. Prepare for Christmas by opening a window each day during Advent to reveal a special picture. The front is accentuated with glitter, and bible text that follows the story of the Nativity is presented on the back of each window. This Advent calendar measures 18"x9".