For this product the minimum picture size required is 700px by 700px pixels for HORIZONTAL 26” x 36”, 900px by 900px pixels HORIZONTAL 51” x 60”, 1200px by 1200px pixels HORIZONTAL 68” x 80”, 1401px by 1400px pixels HORIZONTAL 80” x 104”, variant 701px by 700px pixels for VERTICAL, 26” x 36”, 901px by 900px pixels VERTICAL 51” x 60”, 1201px by 1200px pixels VERTICAL 68” x 80”, 1400px by 1400px pixels VERTICAL 80” x 104” variant but we recommend larger images if possible. Usually the larger the image the better. We accept pictures in JPEG or PNG format. If you have any questions about the quality of your picture please contact support for approval of your image. We will not refund orders due to poor quality pictures. Please contact support if you have any questions about your image and for a free consultation.