We import and sell wicker baskets that we purchase in a set of three pieces. The set is made up of a small, medium and a large size.

A customer browsing our showroom may choose to purchase the whole set ( say 4 sets ) or may alternatively choose to purchase 3 of the small size and 2 of the large size.

How do I go about defining this to Odoo when I set up my product? I want to be able to set the cost and selling price for the set and for the individual sizes.

I also want, at any point of time, to have Odoo provide information on my stock levels like this:

Balance Qty: 3 sets, 5 small, 12 medium, 2 large. (based on current levels of any given item of this nature).

Your help is appreciated.