The Mechanical Spider Pack II includes 4 different spider images in varying positions ranging in scale from the largest being 109″ x 72″ @ 72 dpi, to the smallest being 70″ x 77″ @ 72 dpi. Also included is the electric web background (220″ x 90″ @ 72 dpi). Each spider image is provided in transparent .tiff format for optimal color control. The Background web is provided in .jpg format for use in all mainstream design applications. Before ordering make sure your software is compatible with transparent .tiff file formats. Adobe Photoshop and Corel Draw are compatible, others may not be.