The term 'Small French Case' is often used to refer to an ETUI, which is a small box or case used for carrying small items such as sewing tools, writing implements, and other personal items. Etuis were popular in France during the 18th century, and were often decorated with intricate designs and embellishments. They were also used to store jewelry and other precious items. Etuis are still popular today, and can be found in many different sizes and styles.