To make changes to a design that has already been added to your cart you need to:
STEPS FOR A UNSAVED DESIGN IN YOUR CART: 1. Click the View Cart Button on the main Menu or Side Bar. 2. Find the Product in your Cart. 3. Find and Click the re-edit link next to the product you want to re-edit.
STEPS FOR A SAVED DESIGN: 1. You must have saved the design in the customizer before you added it to your cart. 2. Remove the item from your cart and load the saved design from the “design your own” APP. 3. Do your changes and save the design again.  If you are happy with the design click the “add to cart” button. 4.  If you need to make changes, visit your cart and click the RE-EDIT link next to the product you wish to edit.