Key points of the article:

1. Size Variant
2. Colour Variant

1. Click on the Product Management module
2. Click on Products
3. Click on Details at the end of the line of the item for which to create a variant (or multiple)

1. Size 

1. Click on Size & Colour
2. Click on Edit Size
3. Choose the colour in which to add the sizes
4. Check the different sizes to add for the item

Add sizes in as many colours as required. Select the different colours and then the corresponding sizes.

3. Click on Save

An item is created for each selected size.

2. Colour 

1. Click on Size & Colour
2. Click on Edit Colour
3. Choose the size in which to add the colours
4. Check the different colours to add for the item

Add colours in as many sizes as required. Select the different sizes and then the corresponding colours.

3. Click on Save

An item is created for each selected colour.