Go to Items -> Manage Items -> Dimension 1 Setup or Dimension 2 Setup
This section allows you to upload a color swatch image for Color/Dimension 1 and create Pre-packs (Boxes) and modify Size / Dimension 2 descriptions.
You can change the Dimension 1 and 2 titles in the Company Profile section of your setup.
In Dimension 1 Setup, select a Color and click the Edit button.
In the Logo section select an image for the color (this image will appear beside the style variations in the matrix view - as below).
Code - should be the same code uploaded in your file.
To customize your size description in the Size Setup tab:
Select a size and click the Edit button.
Modify the Description to show the text you want to display in the matrix view on the catalog.
For example: Multiple lines of sizes are supported for different countries:
The Prepacks tab allows you to add Pre-packs of items with preset quantities per size (also called boxes). See Pre-packs and Assortments article for detailed instructions.