The demo catalog contains a Simple Product for every single size of a product you wish to sell. These products are not visible in the catalog, but are available as options on a Configurable Product in the catalog. Not only can this quickly bloat your back-end, but if you should decide to begin offering sizing options after the product is created, you'd have to scrap your product and begin again as a Configurable Product.

Fortunately, there's a much more streamline way of accomplishing this: Simply add Custom Options to your product. Read More