Tips for Better Prints
The best image resolution and dpi for printing is 300dpi. We do recommend a minimum of 150 dpi, but can use files at 72 dpi at full size with minimal loss in quality. We recommend setting the quality on your camera to it's highest.
Instagram photos are not the ideal photo. When you upload a picture to Instagram, they downsize your photo. As a result, Instagram photos are only 640 x 640 in size and will not provide the best quality print. A photo taken at full resolution on your phone would provide a much better print.