here's the other thing that happens when you commission an original story. you only want one original for the person, or people. but everyone else involved wants a copy for themselves. (this often happens when families commission a story for themselves...) to make that easier, you have the option of giving them a print of the original. if you've already commissioned a story, this is where you add on as many additional prints of the original as you'd like.
the prints come as a 10x10 with a double matte (white outer/black inner). this means the print is going to be smaller than the actual original (which actually makes sense when you think about it). 16x24 originals come as an 11x14 print with a double matte (again, with a white outer/black inner).