Every embroidery design has a certain number of stitches it requires to be complete.  Some designs are relatively small, and others require many thousands of stitches.  It boils down to how many pieces we can complete during our normal work day.  The more stitches a design requires, means fewer pieces that can be completed, therefore they are subject to a higher fee.  A simple design for a left-chest logo can be about 5,000 stitches where a design for a jacket back may require 40,000 stitches!