Before you submit your file, make sure that it is set correctly.
A 1/8" border must be added to pictures and designs bleeding to the edge so that there is no white space or border showing around the artwork. It is also important to keep text at least a 1/4" away from the paper edge or the trim line. This will prevent issues in trimming. If you would like to know more, please watch the 3-minute video we have prepared for you to the left.
We hope that this will be helpful.