- Select Product Type: Variable product
- Click on the “Attribute” tabs and add the attributes.
- Ensure “Visible on the product page” and “Used for variations” are checked.
- Click “Save attributes” button
- Click on the Variations tab.
- Select Create variations from all attributes
- Click each variation to expand then and reveal their options. Add a price for each, etc.
- Press the blue “Save changes” button.
- Press the blue “Update” button to publish/save Product.
Related Information:
http://chrislema.com/woocommerce-variable-pricing-one-size-doesnt-fit-all/