1. Navigate to the orders module
2. Click on the Order ID in question
3. Click on the Design ID in question
4. Scroll to the bottom of the page
5. Locate the "Product" section and click on the Vendor drop-down
6. Locate the product you'd like to edit, and click the action menu in the top right corner
7. After clicking "edit", in the pop-up, select the color you'd like to add / edit
8. Type in the new quantities for each size of that color
9. Repeat steps 7-8 as many times as necessary
10. If the products are supplied, click "These products are supplied garments"
11. Finally, click "Add"
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