The files are 8.5 x 11, 300 DPI and come in the following formats (each with 26 pages):

JPG with Border

JPG without Border

PDF with Border

PDF without Border

There's also a PNG file with everything from A - Z without any images. 

This enables you to use them and add your own images to make unique books/printables.

PS: If you don't want the bundle, this pack will be available for purchase at a later stage.