We recommend you to use Canva for great design ideas. You can either design from scratch or make use of their existing designs and modify from there, saving you time and money.
Step 1: go to Canva.com
Step 2: Start creating the design. Take note in Step 2.3, look for the canvas size in our product descriptions and key in accordingly.
Step 3: Do all your designs and download the file in “PDF Print” when done. You can upload the file to us when placing order.
For tutorial in using Canva, go to https://designschool.canva.com/tutorials/