Your artwork file should be exact size 24x36 at 150dpi in RGB color mode with all of the text and images that you dont want cut off 1/4" away from the edges. Only upload JPEG files
 
1.6” Depth | Ready to Display | Finished Backing | Printed on ¼” AcrylicSecond Surface Printing | Rounded Edges. Ships in 4 business days. Shipping is FREE!