Recommended image sizes and resolution - Zazzle Help The images you upload will be converted to 150ppi (pixels per inch) if they aren't already at this resolution. ... 1" Ring Size; Whole Binder: 6978 x 3639 pixels; Front/Back: 3240 x 3639 pixels; Spine: 498 x 3639 pixels ... Postcards, 200ppi.
