Utopian specifically asked the banners should be provided in .JPG and .PDF formats as well as a downloadable and editable .AI or .PSD file
Size - 1280 x 640px
I couldn't find any banner file with .jpg format in the google drive. 
Although you did provide .png file for the banners, but the size is not as requested in the task request.
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I'am so sorry that is absolutely my mistake :D
Pretty mistake :D