While a regular SKU represents a single item, such a size medium blue shirt, a configurable SKU represents an object that is sold as a single item, but has variable components, such as a computer system for which a shopper can select the amount of memory and hard-disk size. You create a configurable SKU the same way as a regular SKU, but you must add configurable properties to it.

To add a new configurable property to a configurable SKU: