JPG Sizes: 320 DPI, 3:4, 4:5, 2:3, ios A1-A4 23.4x33.1, 5x7, 11x14, 18x24, 24x30, 24x36, 30x42, Download and print on you printer or send your digital file toCVS, Walmart or Staples where they even print poster sizes. This is a computer generated butterfly explosion created in our studio, Please download and enjoy