The Calvin Klein Women's Mini Set usually includes four different fragrances in 15ml sizes each. The set may contain:

1. Obsession Eau de Parfum (EDP) in a 15ml size.

2. Eternity Eau de Parfum (EDP) in a 15ml size.

3. Another bottle of Obsession Eau de Parfum (EDP) in a 15ml size.

4. CK One Eau de Toilette (EDT) in a 15ml size.

These mini sets allow for a variety of fragrances from Calvin Klein's collection, offering different scents suitable for various occasions and preferences. They're convenient for travel or sampling multiple scents before committing to a larger bottle.