Items That Do Not Have Offers
There are two kinds of items returned by Product Advertising API:
A parent item is an abstraction of a collection of items. For example, shirt is a parent item. A shirt that is a specific size and color would be a child of the parent item, which is called a regular item. Each regular item has an item identifier, such as an ASIN. That means that a red, large shirt would have a different ASIN from the same shirt that is blue and size large. The child items are also called variations.
Because a parent item is an abstraction, it cannot be sold so it
does not have an