Select the size of the canvas you would like to purchase before uploading your image. This will ensure the resolution requirements are set for the correct size canvas. If your resolution does not meet the canvas requirements you will be notified with the pop-up below:
You can also check the resolution of your photo by right clicking your image, then by clicking properties you can locate the resolution by viewing the dimensions, height x width. The chart below will list the minimum requirements for each size canvas, reference this with your image’s resolution for the best quality canvas.